chore(deps): update docker/build-push-action digest to a254f8c (#172)

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

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -68,7 +68,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@1a162644f9a7e87d8f4b053101d1d9a712edc18c
+        uses: docker/build-push-action@a254f8ca60a858f3136a2f1f23a60969f2c402dd
         with:
           context: .
           platforms: linux/amd64,linux/arm64,linux/arm/v7