ci: ci_run_n_monitor.py: fix args.rev leftover

Fixes: a8b6b2367e ("ci: allow omitting of --rev for ci_run_n_monitor.py")

Reviewed-by: Martin Roukala <martin.roukala@mupuf.org>
Reviewed-by: Guilherme Gallo <guilherme.gallo@collabora.com>
Signed-off-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20371>

.gitlab-ci/bin/ci_run_n_monitor.py

@@ -290,7 +290,7 @@ if __name__ == "__main__":
         if args.target:
             print("🞋 job: " + Fore.BLUE + args.target + Style.RESET_ALL)
             deps = find_dependencies(
-                target_job=args.target, sha=args.rev, project_path=cur_project
+                target_job=args.target, sha=REV, project_path=cur_project
             )
         target_job_id, ret = monitor_pipeline(
             cur_project, pipe, args.target, deps, args.force_manual, args.stress