chore(deps): update docker/build-push-action action to v6 (#2892)

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

.github/workflows/docker.yml

@@ -35,7 +35,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ github.token }}
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           platforms: linux/amd64,linux/arm64