Add "Last Login" to per user view and API output

[zacho112]

NetBox version

v3.7.2

Feature type

Change to existing functionality

Proposed functionality

Expose the last_login in the specific user view (GUI), as well as include it in the API response api/users/users/, just as date_joined.

Use case

Ease user management/cleanup. Data is already present in the DB, just not visible via API.

Database changes

No response

External dependencies

No response

[zacho112]

I guess this is a fairly simple changes to the template files user/user.html and maybe also account/profile.html, and the users/api/serializers.py

I can provide the PR my self if needed

[jeremystretch]

Assigned to you @zacho112, thanks for volunteering.