Add last commit time to repo view

What does this MR do?

Adds the last commit time to the repository file view

Are there points in the code the reviewer needs to double check?

Just need to make sure it works well in responsive (It is working well to my knowledge 😃 )

Why was this MR needed?

Allow users to see more information related to the last commit

What are the relevant issue numbers?

Closes #20224 (closed)

Screenshots (if relevant)

Before:

After:

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together