main/postmarketos-ui-mate: take maintainership
As discussed in https://gitlab.com/postmarketOS/pmaports/-/merge_requests/2506#note_680987951, I'll take maintainership of the MATE metapackage. CC @drebrez
As discussed in https://gitlab.com/postmarketOS/pmaports/-/merge_requests/2506#note_680987951, I'll take maintainership of the MATE metapackage. CC @drebrez