Update actions/cache to v6

Author: ondrejmirtes

.github/workflows/issue-bot.yml

@@ -51,7 +51,7 @@ jobs:
           working-directory: "issue-bot"
 
       - name: "Cache downloads"
-        uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ./issue-bot/tmp
           key: "issue-bot-download-v8-${{ github.run_id }}"

.github/workflows/static-analysis.yml

@@ -121,7 +121,7 @@ jobs:
       - uses: "ramsey/composer-install@65e4f84970763564f46a70b8a54b90d033b3bdda" # v4.0.0
 
       - name: "Cache Result cache"
-        uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ./tmp
           key: "result-cache-v15-${{ matrix.php-version }}-${{ github.run_id }}"

.github/workflows/tests.yml

@@ -374,7 +374,7 @@ jobs:
           jq < infection.json5
 
       - name: "Restore result cache"
-        uses: actions/cache/restore@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ./tmp
           key: "result-cache-v1-${{ matrix.php-version }}-${{ github.run_id }}"
@@ -438,7 +438,7 @@ jobs:
             --logger-text=php://stdout
 
       - name: "Save result cache"
-        uses: actions/cache/save@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+        uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         if: ${{ !cancelled() }}
         with:
           path: ./tmp