Fixes #108 update publisher name

[gbraad]

Fixes #108

This requires modification to:

• https://github.com/containers/podman-desktop-catalog/blob/gh-pages/api/extensions.json
• https://github.com/containers/podman-desktop-catalog/tree/gh-pages/api/extensions
• https://github.com/containers/podman-desktop/blob/main/featured.json#L28

[benoitf]

I've updated the other repositories