Update gradle/gradle-build-action action to v3 [SECURITY]

Author: renovate[bot]

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
         run: |
           echo "${{ secrets.CLOUDSMITH_APIKEY }}" | docker login private.docker.xenit.eu --username "${{ secrets.CLOUDSMITH_USER }}" --password-stdin
       - name: Integration tests
-        uses: gradle/gradle-build-action@a4cf152f482c7ca97ef56ead29bf08bcd953284c # v2
+        uses: gradle/gradle-build-action@04b20c065cf1ab708c96e64a8811018d0a1fbc88 # v3
         env:
           VERSIONS_TO_BUILD: ${{ matrix.version }}
         with:
@@ -61,15 +61,15 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup Gradle
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@04b20c065cf1ab708c96e64a8811018d0a1fbc88 # v3
       - name: Login to CloudSmith
         run: |
           echo "${{ secrets.CLOUDSMITH_APIKEY }}" | docker login private.docker.xenit.eu --username "${{ secrets.CLOUDSMITH_USER }}" --password-stdin
       # We have to split out publishing to public and private repo's because pushing to docker.io does not seem to work
       # without supplying DOCKER_USER and DOCKER_PASSWORD. However, supplying those environment variables breaks
       # publishing to other repositories
       - name: Publish public docker images
-        uses: gradle/gradle-build-action@a4cf152f482c7ca97ef56ead29bf08bcd953284c # v2
+        uses: gradle/gradle-build-action@04b20c065cf1ab708c96e64a8811018d0a1fbc88 # v3
         env:
           DOCKER_USER: ${{ secrets.DOCKER_USER }}
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
@@ -78,7 +78,7 @@ jobs:
           cache-read-only: false
           arguments: pushDockerImage -PincludeEnterprise=false
       - name: Publish private docker images
-        uses: gradle/gradle-build-action@a4cf152f482c7ca97ef56ead29bf08bcd953284c # v2
+        uses: gradle/gradle-build-action@04b20c065cf1ab708c96e64a8811018d0a1fbc88 # v3
         env:
           VERSIONS_TO_BUILD: ${{ matrix.version }}
         with: