build(deps): Bump docker/build-push-action from 5 to 6 (#20709)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/docker.yml

@@ -60,7 +60,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Publish to GitHub Packages
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}

.github/workflows/proto-docker.yml

@@ -58,7 +58,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Publish to GHCR
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: ./contrib/devtools
           platforms: linux/amd64,linux/arm64