ci: Add GObject introspection packages

We added GObject introspection in the previous commits, so we need to
make sure the correct binaries are installed for this.
2 jobs for wip/nielsdg/gir in 2 minutes and 3 seconds (queued for 1 second)
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Status Job ID Name Coverage
  Build
passed #380880
latest-meson-lcms

00:02:03

passed #380881
latest-meson-nolcms

00:01:52