Update gradle/gradle-build-action digest to cb6e43f

Author: renovate[bot]

.github/workflows/gradle-publish.yml

@@ -31,7 +31,7 @@ jobs:
     - name: Validate Gradle wrapper
       uses: gradle/wrapper-validation-action@63d15e7a1e697b1de6f3ba0507106f89100c8518
     - name: Build with Gradle
-      uses: gradle/gradle-build-action@585b565652cefbba63202a7f927df0ff99f34001
+      uses: gradle/gradle-build-action@cb6e43f18001186272630908bb44a8246d3df780
       with:
         arguments: build --stacktrace
     #- name: Attach artifacts to GitHub Release