chore(deps): update docker/build-push-action action to v6 (#51)

Co-authored-by: Renovate Bot <[email protected]>

.github/workflows/container_image.yml

@@ -45,7 +45,7 @@ jobs:
 
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v5.4.0
+        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}