ci: Update Docker container

1 job for fix-ci in 12 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #1287710
fedora

00:00:12

 
Name Stage Failure
failed
fedora Build
Checking out 19f99b81 as fix-ci...

Skipping Git submodules setup
Executing "step_script" stage of the job script
Using docker image sha256:ba0e22be56cbc18a51d9aa200a721aa796f656ebb795696218ab459f77d8cc0a for registry.gitlab.gnome.org/gnome/gtk/fedora:v30 with digest registry.gitlab.gnome.org/gnome/gtk/fedora@sha256:eb34c45c3e1fe058cb4f875bb7d29410e06c9c4ed7cc86bfa735a4d04526532a ...
$ dnf install -y vala sqlite-devel libsoup-devel gtk4-devel
Error: This command has to be run with superuser privileges (under the root user on most systems).
Cleaning up file based variables
ERROR: Job failed: exit code 1