chore(deps): update docker/build-push-action digest to 9476c25

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@31159d49c0d4756269a0940a750801a1ea5d7003
+        uses: docker/build-push-action@9476c25b2a7a4ab5171cd8f4658468d19b69d7ae
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}