Adjust lab level and topics in GitHub issues exercise

Updated lab level from 400 to 300 and removed Visual Studio from primary topics.

Author: ChrisHowd

Instructions/Labs/LAB_AK_11_resolve_github_issues.md

@@ -3,11 +3,10 @@ lab:
   title: Exercise - Resolve GitHub issues using GitHub Copilot
   description: Learn how to identify and resolve code security vulnerabilities using GitHub Copilot in Visual Studio Code.
   duration: 40 minutes
-  level: 400
+  level: 300
   islab: true
   primarytopics:
     - GitHub
-    - Visual Studio
     - Visual Studio Code
 ---