CI: Collapse lima & panfrost stages into one

This is now called 'arm'; even though they're two separate drivers, it
does help cut down on some of the more egregious horizontal scrolling.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Acked-by: Eric Anholt <eric@anholt.net>
Acked-by: Michel Dänzer <mdaenzer@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7873>

.gitlab-ci/test-source-dep.yml

@@ -131,7 +131,7 @@
     - when: never
 
 .panfrost-rules:
-  stage: panfrost
+  stage: arm
   rules:
     - *ignore_scheduled_pipelines
     - changes:
@@ -148,7 +148,7 @@
     - when: never
 
 .lima-rules:
-  stage: lima
+  stage: arm
   rules:
     - *ignore_scheduled_pipelines
     - changes: