* ci: migrate macOS ARM builds to use GHA
M1 macOS runners are now available on GHA, so we can use it instead of
CirrusCI for builds/CI.
* bump freebsd
* ci: update upload-artifact to v4.3.0 and download-artifact to v4.1.1
* fix rpm/deb
* add exception for quay; idk what I'll do once node support is gone
* fix broken script
* fix download
* migrate 2-17 to cirrus to avoid node deprecation warnings
* prevent cirrus cancellation
* update cache to work with linux
* simplify cache
* update some comments
* add timeouts
* ci: update cirrus-ci FreeBSD versions
Looks like the newest available FreeBSD images are 13-2 and 14-0, and
the previously used ones aren't available anymore.
* comment
This adds the build hash to the btm -V output for nightly builds, making it easier to troubleshoot when someone might have obtained a nightly build, and what commit it corresponds to.