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

Author: renovate[bot]

.github/workflows/docker-cd.yml

@@ -69,7 +69,7 @@ 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: .
           push: ${{ github.event_name != 'pull_request' }}