[FEATURE] Column of extension's last update

Add column 'Last Updated' in Extension Manager.

Resolves: #32436
Releases: master,6.2
Change-Id: Ib29a7c5ed8008d63cc2d7c5df170f71b2a1c399b
Reviewed-on: http://review.typo3.org/35143
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>