v1.23.3-ls97

LinuxServer Changes:

Rebase to Alpine 3.17, migrate to s6v3.

syncthing Changes:

Bugfixes:

• #5408: Selection of time in versions GUI not possible without editing the string inside the textfield
• #8277: Mutual encrypted sharing doesn't work (both sides with password)
• #8556: Increased file size when sharing between encrypted devices
• #8599: Key generation at connect time is slow for encrypted connections

Enhancements:

• #7859: Allow sub-second watcher delay (use case: remote development)

Other issues:

• #8828: cmd/stdiscosrv: TestDatabaseGetSet flake