Review `Livepatch` machine charm for listing

[mina146 (mina ashraf)]

Hi @mcjaeger please find the ownership transfer request here:

Request: transfer ownership of livepatch-machine-charm and operator-k8s to Commercial systems team

the new team is: Commercial Systems in Launchpad instead of the yellow squad. Please refer to this conversation for why we are doing this. Charmhub | Livepatch and Charmhub | Livepatch-k8s