Update workflow actions and build/test across Java 25 and 26

Author: laurentpellegrino

.github/workflows/build.yml

@@ -11,19 +11,20 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
+      fail-fast: false
       matrix:
         distribution: [ 'zulu' ]
-        java: [ '25' ]
+        java: [ '25', '26' ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Use JDK ${{ matrix.java }}
         uses: actions/setup-java@v5
         with:
           distribution: ${{ matrix.distribution }}
           java-version: ${{ matrix.java }}
       - name: Build with Gradle
-        run: ./gradlew build
+        run: ./gradlew build -PjavaToolchainVersion=${{ matrix.java }}
         env:
           GH_PACKAGES_READ_TOKEN: ${{ secrets.GH_PACKAGES_READ_TOKEN }}
           GH_PACKAGES_WRITE_TOKEN: ${{ secrets.GH_PACKAGES_WRITE_TOKEN }}

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
@@ -30,7 +30,7 @@ jobs:
           distribution: 'zulu'
 
       - name: Cache Gradle
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}

.github/workflows/test-jreleaser.yml

@@ -20,18 +20,18 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v7
       with:
         fetch-depth: 0
 
     - name: Setup Java
       uses: actions/setup-java@v5
       with:
-        java-version: '21'
+        java-version: '25'
         distribution: 'temurin'
 
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@v4
+      uses: gradle/actions/setup-gradle@v6
 
     - name: Test JReleaser Config
       if: ${{ github.event.inputs.test_type == 'config' || github.event.inputs.test_type == 'both' }}

build.gradle

@@ -24,7 +24,8 @@ java {
     withSourcesJar()
 
     toolchain {
-        languageVersion = JavaLanguageVersion.of(25)
+        languageVersion = JavaLanguageVersion.of(
+                (project.findProperty('javaToolchainVersion') ?: '25') as String)
     }
 }