Update actions/setup-java digest to 3a4f6e1

Author: renovate[bot]

.github/actions/gradle-task/action.yml

@@ -26,7 +26,7 @@ runs:
   steps:
 
     - name: Set up JDK
-      uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
+      uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4
       with:
         distribution: ${{inputs.distribution}}
         java-version: ${{inputs.java-version}}