ci: Remove Gradle configuration cache keys and workarounds (#6445)

Drop cache-encryption-key and GRADLE_ENCRYPTION_KEY from all workflows,
and the buildSrc cache step that worked around gradle/actions#21.

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Author: runningcode

.github/workflows/agp-matrix.yml

@@ -24,7 +24,6 @@ jobs:
     env:
       VERSION_AGP: ${{ matrix.agp }}
       APPLY_SENTRY_INTEGRATIONS: ${{ matrix.integrations }}
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
     steps:
       - name: Checkout Repo
@@ -38,8 +37,6 @@ jobs:
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Enable KVM
         run: |

.github/workflows/build.yml

@@ -15,9 +15,6 @@ jobs:
     name: Build Job ubuntu-latest
     runs-on: ubuntu-latest
 
-    env:
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
-
     steps:
       - name: Checkout Repo
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -30,17 +27,8 @@ jobs:
           distribution: 'temurin'
           java-version: '21'
 
-      # Workaround for https://github.com/gradle/actions/issues/21 to use config cache
-      - name: Cache buildSrc
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-        with:
-          path: buildSrc/build
-          key: build-logic-${{ hashFiles('buildSrc/src/**', 'buildSrc/build.gradle.kts','buildSrc/settings.gradle.kts') }}
-
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Run Tests and Lint
         run: make preMerge

.github/workflows/codeql-analysis.yml

@@ -15,9 +15,6 @@ jobs:
     name: Analyze
     runs-on: macos-15
 
-    env:
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
-
     steps:
       - name: Checkout Repo
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -30,8 +27,6 @@ jobs:
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@9b3254085494b55a0f7c4c2b3d2d52cc712ce370 # pin@v2

.github/workflows/format-code.yml

@@ -18,8 +18,6 @@ jobs:
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Format with spotlessApply
         run: ./gradlew spotlessApply

.github/workflows/integration-tests-size.yml

@@ -15,9 +15,6 @@ jobs:
     name: Build and Analyze SDK Size
     runs-on: ubuntu-latest
 
-    env:
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
-
     steps:
       - name: Checkout Repo
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -28,17 +25,8 @@ jobs:
           distribution: "temurin"
           java-version: "21"
 
-      # Workaround for https://github.com/gradle/actions/issues/21 to use config cache
-      - name: Cache buildSrc
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-        with:
-          path: buildSrc/build
-          key: build-logic-${{ hashFiles('buildSrc/src/**', 'buildSrc/build.gradle.kts','buildSrc/settings.gradle.kts') }}
-
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Size Analysis
         run: ./gradlew :sentry-android-integration-tests:test-app-size:bundleRelease

.github/workflows/integration-tests-ui-critical.yml

@@ -22,9 +22,6 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
 
-    env:
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
-
     steps:
       - name: Checkout code
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -37,8 +34,6 @@ jobs:
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Build debug APK
         run: make assembleUiTestCriticalRelease

.github/workflows/integration-tests-ui.yml

@@ -18,7 +18,6 @@ jobs:
     env:
       SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
       SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }}
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
     steps:
       - name: Git checkout
@@ -32,8 +31,6 @@ jobs:
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       # Clean, build and release a test apk, but only if we will run the benchmark
       - name: Make assembleUiTests

.github/workflows/spring-boot-2-matrix.yml

@@ -41,8 +41,6 @@ jobs:
         springboot-version: ${{ fromJSON(needs.versions.outputs.versions) }}
 
     name: Spring Boot ${{ matrix.springboot-version }}
-    env:
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
     steps:
       - name: Checkout Repo
@@ -54,17 +52,8 @@ jobs:
           distribution: 'temurin'
           java-version: '21'
 
-      # Workaround for https://github.com/gradle/actions/issues/21 to use config cache
-      - name: Cache buildSrc
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-        with:
-          path: buildSrc/build
-          key: build-logic-${{ hashFiles('buildSrc/src/**', 'buildSrc/build.gradle.kts','buildSrc/settings.gradle.kts') }}
-
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Test integration suites
         # Project paths, unlike a bare task name, keep Gradle from configuring every project.

.github/workflows/spring-boot-3-matrix.yml

@@ -41,8 +41,6 @@ jobs:
         springboot-version: ${{ fromJSON(needs.versions.outputs.versions) }}
 
     name: Spring Boot ${{ matrix.springboot-version }}
-    env:
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
     steps:
       - name: Checkout Repo
@@ -54,17 +52,8 @@ jobs:
           distribution: 'temurin'
           java-version: '21'
 
-      # Workaround for https://github.com/gradle/actions/issues/21 to use config cache
-      - name: Cache buildSrc
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-        with:
-          path: buildSrc/build
-          key: build-logic-${{ hashFiles('buildSrc/src/**', 'buildSrc/build.gradle.kts','buildSrc/settings.gradle.kts') }}
-
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Test integration suites
         # Project paths, unlike a bare task name, keep Gradle from configuring every project.

.github/workflows/spring-boot-4-matrix.yml

@@ -41,8 +41,6 @@ jobs:
         springboot-version: ${{ fromJSON(needs.versions.outputs.versions) }}
 
     name: Spring Boot ${{ matrix.springboot-version }}
-    env:
-      GRADLE_ENCRYPTION_KEY: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
     steps:
       - name: Checkout Repo
@@ -54,17 +52,8 @@ jobs:
           distribution: 'temurin'
           java-version: '21'
 
-      # Workaround for https://github.com/gradle/actions/issues/21 to use config cache
-      - name: Cache buildSrc
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-        with:
-          path: buildSrc/build
-          key: build-logic-${{ hashFiles('buildSrc/src/**', 'buildSrc/build.gradle.kts','buildSrc/settings.gradle.kts') }}
-
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@8da46b539cd8fe6ab27ca75128919a18d757604c # v6.4.1
-        with:
-          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Test integration suites
         # Project paths, unlike a bare task name, keep Gradle from configuring every project.