workflow-bot comments: update breaking changes alternative C to point…

… to alternative B (Azure#24770)

.github/comment.yml

@@ -20,7 +20,9 @@
       **ACTION ITEM ALTERNATIVE C**: Report false positive. <br/>
       If you think there are no breaking changes, 
       i.e. the validation should pass yet it fails, 
-      then please explain why in a PR comment and @ the PR assignee.
+      then proceed as explained in **ACTION ITEM ALTERNATIVE B**.<br/>
+      This applies even if the breaking change tool fails with internal runtime error. 
+      In such case a manual breaking change review is necessary.
 
 - rule:
     type: label
@@ -47,7 +49,9 @@
       **ACTION ITEM ALTERNATIVE C**: Report false positive. <br/>
       If you think there are no changes in existing API version, 
       i.e. there should be no `NewApiVersionRequired` label,
-      then please explain why in a PR comment and @ the PR assignee.
+      then proceed as explained in **ACTION ITEM ALTERNATIVE B**.<br/>
+      This applies even if the breaking change tool fails with internal runtime error. 
+      In such case a manual breaking change review is necessary.
       <br/><br/>   
       For additional guidance, please see https://aka.ms/NewApiVersionRequired