fix: docker.cmd annotation

[jcchavezs]

This PR fixes the docker.cmd annotation:

➜  nuro labels curlimages/curl                                                                               ( doesn't exist)
+--------------------------------------+--------------------------------------------+
| KEY                                  | VALUE                                      |
+--------------------------------------+--------------------------------------------+
| org.opencontainers.image.licenses    | MIT                                        |
| org.opencontainers.image.source      | https://github.com/curl/curl-container     |
| version                              | 8.16.0                                     |
| docker.cmd                           | podman run -it quay.io/curl/:8.16.0        |
| io.buildah.version                   | 1.33.7                                     |
| maintainer                           | James Fuller <[email protected]> |
| name                                 | curl-linux-386:8.16.0                      |
| org.opencontainers.image.description | minimal image for curl                     |
+--------------------------------------+--------------------------------------------+