adding check for copilot in github issue template

Author: Fidelia Nawar

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -9,7 +9,15 @@ body:
         Our GitHub issues are meant exclusively for bug reports and feature requests. For questions about using the library for iOS and macOS, please refer to the [common issues and FAQ](https://github.com/AzureAD/microsoft-authentication-library-for-objc/wiki#getting-help-common-issues-and-faq). If your question is not addressed there, we encourage you to utilize Chat with Copilot for further assistance.
         
         For issues affecting your app in production, please create a support ticket with your Microsoft representative.
-
+        
+  - type: checkboxes
+    attributes:
+      label: Pre-Submission Checklist
+      description: "Please ensure you've completed all of the following before submitting."
+      options:
+        - label: I have tried using GitHub Copilot to resolve this issue.
+          required: true
+          
   - type: markdown
     attributes:
       value: |