Changes for Python 3.13 on ST 4201+

Use `typing` dependency, update notifier default, update CI and docs

Fix settings not reloading and fix linux audio

Note that we don't need gntp

Merge pull request #8 from facelessuser/cleanup-on-reload

Clean up on reload and delete icon after notify

Update changelog rendering

Merge pull request #6 from facelessuser/better-icns

Fix `-sender` issue with terminal-notifier and run without blocking.  Also use ST official icons.

Prep for 1.4.1 release

Changelog had wrong version

Prep for st3-1.3.0