[notifications] Catch all image pull errors as infra failures (#14926)

Updates the regex to match infra failure logs when pulling images to include more patterns. The previous pattern didn't catch the following line:

WARNING: Failed to pull image with policy "always": context deadline exceeded (manager.go:203:7197s)

tasks/libs/pipeline_data.py

@@ -67,7 +67,7 @@ def get_failed_jobs(project_name, pipeline_id):
         FailedJobReason.RUNNER,
     ),
     (
-        re.compile(r'WARNING: Failed to pull image with policy "always":.*:.*\(.*\)'),
+        re.compile(r'WARNING: Failed to pull image with policy "always":.*\(.*\)'),
         FailedJobReason.RUNNER,
     ),
     # k8s Gitlab runner init failures