Merge pull request #12482 from nextcloud/renovate/gradle-gradle-build-action-3.x

Update gradle/gradle-build-action action to v3

.github/workflows/unit-tests.yml

@@ -30,7 +30,7 @@ jobs:
                 if: ${{ always() }}
                 run: scripts/deleteOldComments.sh "test" "Unit" ${{github.event.number}}
             -   name: Run unit tests with coverage
-                uses: gradle/gradle-build-action@a8f75513eafdebd8141bd1cd4e30fcd194af8dfa # v2.12.0
+                uses: gradle/gradle-build-action@3b1b3b9a2104c2b47fbae53f3938079c00c9bb87 # v3.0.0
                 with:
                     arguments: jacocoTestGplayDebugUnitTest
             -   name: Upload failing results