talkatu/talkatu

Add the gir target to the library dependency object and other meson cleanups.

2021-09-25, Gary Kramlich
953536539d73
Add the gir target to the library dependency object and other meson cleanups.

Testing Done:
Compiled

Reviewed at https://reviews.imfreedom.org/r/941/
Talkatu is versioned in [mercurial](https://www.mercurial-scm.org/) and is
available on [keep.imfreedom.org](https://keep.imfreedom.org/talkatu/talkatu).
All contributions are provided via review requests at [reviews.imfreedom.org](https://reviews.imfreedom.org/).