Tagging compose state

**Is your feature request related to a problem? Please describe.**
It'd be great to be able to tag images in use for a given deployment.

**Describe the solution you'd like**

```
$ podman-compose tag --prefix some/namespace --tag 20220421.0
```

This would tag the set of images using their names as `some/namespace/NAME:20220421.0`.

Additional flags (subject to name improvements) could be `--current` (for the currently in-use images if up) or other "states" the images could be in.

**Describe alternatives you've considered**
Manually doing so.