ci: Add sysprof-devel to the Docker image

It is now a dependency that we want to build against,
even if optional.
3 jobs for !197 with gbsneto/tracing in 55 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Review
failed #271326
check-commit-log

00:00:55

 
  Build
skipped #271327
build-mutter
 
  Test
skipped #271328
test-mutter
 
Name Stage Failure
failed
check-commit-log Review
Cloning repository...
Cloning into '/builds/GNOME/mutter'...
Checking out 51419463 as gbsneto/tracing...
Skipping Git submodules setup
$ ./.gitlab-ci/check-commit-log.sh
From https://gitlab.gnome.org/GNOME/mutter
* branch master -> FETCH_HEAD
Missing merge request or issue URL on commit 51419463
ERROR: Job failed: exit code 1