ci_run_n_monitor: require user to add an explicit .* at the end if jobs like *-full are wanted

Most of the time, these jobs are not wanted, so let's make this a full
match instead of prefix match so that users only get what they ask for.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26066>

bin/ci/ci_run_n_monitor.py

@@ -105,7 +105,7 @@ def monitor_pipeline(
         to_cancel = []
         for job in pipeline.jobs.list(all=True, sort="desc"):
             # target jobs
-            if target_jobs_regex.match(job.name):
+            if target_jobs_regex.fullmatch(job.name):
                 target_id = job.id
 
                 if stress and job.status in ["success", "failed"]: