Update Bug_report.yml

Author: DannyDainton

.github/ISSUE_TEMPLATE/Bug_report.yml

@@ -5,7 +5,7 @@ body:
 - type: checkboxes
   attributes:
     label: Is there an existing issue for this?
-    description: Please search to see if an issue already exists for the issue you encountered.
+    description: Please search to see if an issue already exists for the issue you encountered. [Github Issue Tracker](https://github.com/postmanlabs/postman-app-support/issues)
     options:
     - label: I have searched the existing issues
       required: true