Mention Bot config update [ci skip] (#2615)

.mention-bot

@@ -1,7 +1,7 @@
 {
   "maxReviewers": 10,
   "numFilesToCheck": 100,
-  "message": "Thanks @pullRequester for contributing to The Framework Benchmarks! @reviewers, code you've worked on has been modified. If you have the chance, please review. If you wish to unsubscribe from these notices, please add your name to the userBlacklist array in the `.mention-bot` file.",
+  "message": "Thanks @pullRequester for contributing to The Framework Benchmarks! @reviewers, code you've worked on has been modified. If you have the chance, please review. If you wish to unsubscribe from these notices, please open a Pull Request with the commit message `[ci skip]` and your name added to the userBlacklist array in the `.mention-bot` file.",
   "alwaysNotifyForPaths": [
     {
       "name": "TechEmpower",