chore(github-action): update docker/build-push-action digest to 471d1dc (#32585)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[docker/build-push-action](https://redirect.github.com/docker/build-push-action)
| action | digest | `0adf995` -> `471d1dc` |

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containers/apps/kube-sa-proxy/.github/workflows/docker-publish.yml

@@ -34,7 +34,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@0adf9959216b96bec444f325f1e493d4aa344497 # v6
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6
         with:
           context: .
           push: true