Update docker/build-push-action digest to f2a1d5e (#82)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ghcr-io-docker-build.yaml

@@ -60,7 +60,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and Push Jenkins image
         id: build-and-push
-        uses: docker/build-push-action@175d02bffea74695e96b351069ac938b338802f9
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
         with:
           context: .
           file: docker/Dockerfile