Fix Finch->Gnt gir dependency
Review Request #1854 — Created Sept. 28, 2022 and submitted
This is copied from how Pidgin uses Talkatu.
Compiled and saw fewer undefined types in gir step (but an added 'missing' pkgconfig file since I'm using a subproject.)
| Summary | ID |
|---|---|
| 1ff93165215c57305a102c3160386a9eaced28df |
