fractal-gtk: Migrate to GtkSourceView4

GtkSourceView3 is no longer updated.
4 jobs for wip/christopherdavis/sourceview4 in 39 minutes and 45 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Check
passed #387672
check

00:00:23

 
  Test
passed #387673
flatpak

00:38:29

 
  Review
passed #387674
review

00:00:38

failed #387675
allowed to fail manual
stop_review

00:00:13

 
Name Stage Failure
failed
stop_review Review
 * [new branch]      master             -> origin/master
* [new branch] room_member_events -> origin/room_member_events
* [new branch] wip/christopherdavis/fit-room-directory -> origin/wip/christopherdavis/fit-room-directory
* [new branch] wip/christopherdavis/markdown-restart-fix -> origin/wip/christopherdavis/markdown-restart-fix
* [new branch] wip/christopherdavis/update-ci -> origin/wip/christopherdavis/update-ci
* [new tag] 0.1.0 -> 0.1.0
Checking out 57945eec as wip/christopherdavis/sourceview4...
fatal: reference is not a tree: 57945eecad4820939024af81f907aede332cb22a
ERROR: Job failed: exit code 1