Backport debian's 0.1.4-2 and release

Straight backport; noticed we had an old version while playing around (and expecting something newer)

Also now check-pureos-pkg-repo clean:

> $ ~/git/librem5-dev-tools/check-pureos-pkg-repo -i 1632

Summary for https://source.puri.sm/Librem5/debs/callaudiod.git
==============================================================

OK:   pureos/byzantium branch present
OK:   Default branch is 'pureos/byzantium'
OK:   Branch 'pureos/byzantium' is protected
OK:   pristine-tar branch present
OK:   Branch 'pristine-tar' is protected
OK:   CI enabled
OK:   Snippets disabled
OK:   Wiki disabled
OK:   Service desk disabled
OK:   Merge method is fast-forward