Set file input

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/ci.yml

@@ -83,6 +83,7 @@ jobs:
         uses: ./
         with:
           context: "git://x-access-token:${{ github.token }}@github.com/${{ github.repository }}#${{ github.ref }}"
+          file: ./test/Dockerfile
           builder: ${{ steps.buildx.outputs.name }}
           platforms: linux/amd64,linux/arm64,linux/386
           #allow: network.host,security.insecure