chore(deps): update int128/docker-manifest-create-action action to v2.19.0

Author: renovate[bot]

.github/workflows/nix-image.yaml

@@ -69,7 +69,7 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - uses: int128/docker-manifest-create-action@44422a4b046d55dc036df622039ed3aec43c613c # v2.17.0
+      - uses: int128/docker-manifest-create-action@7df7f9e221d927eaadf87db231ddf728047308a4 # v2.19.0
         with:
           index-annotations: ${{ steps.meta.outputs.labels }}
           tags: ${{ steps.meta.outputs.tags }}