net-im/{mtxclient,nheko}: Update to latest releases
Update mtxclient (Matrix client library) to 0.8.2, release notes:
https://github.com/Nheko-Reborn/mtxclient/releases/tag/v0.8.2
- crash fixes (in 0.8.2)
- internal protocol improvements (in 0.8.1 already)
Update nheko (Matrix client) to 0.10.1, release notes:
https://github.com/Nheko-Reborn/nheko/releases/tag/v0.10.1
- communities support
- improved translations
- some UI quality-of-life improvements