Release v0.15.8

Changelog

• Updated to Python 3.11 (free performance increase)
• Added feature to bulk run checks by client or site (right click on a client or site from the client tree > Run Checks)
• Added #1407 Increase the size of Notes text box
• Added cron/schedule options for backup script + backup/restore scripts now handles instances that are using postgres instead of mongo for meshcentral's db, credit to @dinger1986 for adding these features, please read updated docs here
• Fixed #1264 phantom column appears in agent table when searching
• Fixed #32 Linux agent now properly handles setups where /tmp is mounted with noexec
• Fixed linux agent not installing on Synologys with older systemd
• Fixed #1461 validation for expires hours
• Various dependency updates

PR's

• Changed to Backup by @dinger1986 in #1391
• tweaking mesh check error by @silversword411 in #1444
• Update restore.sh by @dinger1986 in #1413

Full Changelog: v0.15.7...v0.15.8