Do not check for JIRA marker in github generated commit message

Author: siong-chin

main/githooks.py

@@ -764,7 +764,10 @@ def check_commit_msg(message, files):
     does not contain required marker.
 
     '''
-    if NO_JIRA_MARKER not in message:
+    if re.match(r'$Merge branch \'.+?\' into .+', message):
+        # Not checking for JIRA in commit message generated by github
+        pass
+    elif NO_JIRA_MARKER not in message:
         if jira_id_pattern.search(message) is None:
             _fail('Every commit should contain a Jira issue ID or the text '
                   f'{NO_JIRA_MARKER}')