Add published date column to charmcraft statsus output

[taurus-forever]

What needs to get done

Hi,

Sometimes it is necessary to know the specific revision release date.
At the moment it is visible on the charmhub WEB only, e.g.:

It would be nice to have the same information in charmcraft status table:

> charmcraft status data-platform-libs
Track    Base                  Channel    Version    Revision  Published                                                                                                                                                                              
latest   ubuntu 20.04 (amd64)  stable     2          2         21 Jul 2022                                                                                                                                                                       
                               candidate  ↑          ↑                                                                                                                                                                                                 
                               beta       ↑          ↑                                                                                                                                                                                                 
                               edge       9          9         21 OCt 2022                                                                                                                                                                             
         ubuntu 22.04 (amd64)  stable     54         54        01 Nov 2023                                                                                                                                                                                            
                               candidate  81         81        15 Nov 2023                                                                                                                                                                             
                               beta       ↑          ↑                                                                                                                                                                                                 
                               edge       81         81        27 Sep 2024

Why it needs to get done

For better navigation in the juju status output during the manual promotion of the new revisions.
Will improve community charms/charmcraft/charmhub usability.
It will also help to identify no longer supported/published bases: #1997

[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CRAFT-3699.

This message was autogenerated

[lengau]

This seems pretty straightforward - we just have to add the when field from the store response.