Update ------channel-request.yml

.github/ISSUE_TEMPLATE/------channel-request.yml

@@ -1,4 +1,3 @@
----
 name: \U0001F4FA Channel Request
 description: Request to add a channel into the playlist
 labels: [ "channel request" ]
@@ -9,7 +8,7 @@ body:
       value: |
        Please fill out the issue template as much as you can so we could efficiently process your request
 
-       *IMPORTANT: An issue may contain a request for only one channel, otherwise it will be closed
+       **IMPORTANT**: An issue may contain a request for only one channel, otherwise it will be closed
 
   - type: input
     id: name