ci,crnm: warning message when a job can't be enabled

Instead of an exception that completely stops the run'n'monitor process, when
a job with a specific status can't be enabled, just log it with a warning.
Don't attempt to enable it again unless it changes the status.

Signed-off-by: Sergi Blanch Torne <sergi.blanch.torne@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39049>

bin/ci/ci_run_n_monitor.py

@@ -302,12 +302,18 @@ def enable_job(
     # Get current attempt number
     attempt_count = enable_attempts.get((job.id, job.status), 0)
     # Check if we've exceeded max attempts to avoid infinite loop
-    if attempt_count >= MAX_ENABLE_JOB_ATTEMPTS:
-        raise RuntimeError(
+    if attempt_count == MAX_ENABLE_JOB_ATTEMPTS:
+        print(
+            f"[yellow]WARNING: "
             f"Maximum enabling attempts ({MAX_ENABLE_JOB_ATTEMPTS}) reached for job {job.name} in {job.status} status"
-            f"({link2print(job.web_url, job.id)}). Giving up."
+            f"({link2print(job.web_url, job.id)})."
         )
         enable_attempts[(job.id, job.status)] = attempt_count + 1
+        return False
+    elif attempt_count > MAX_ENABLE_JOB_ATTEMPTS:
+        return False
+
+    enable_attempts[(job.id, job.status)] = attempt_count + 1
 
     pjob = project.jobs.get(job.id, lazy=True)