Group CodeQL Dependabot action updates (#3052)

chore(dependabot): group codeql actions updates

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: baywet <7905502+baywet@users.noreply.github.com>

Author: Copilot

.github/dependabot.yml

@@ -5,6 +5,10 @@ updates:
   open-pull-requests-limit: 10
   schedule:
     interval: daily
+  groups:
+    codeql:
+      patterns:
+      - github/codeql-action*
   cooldown:
     default-days: 7
 - package-ecosystem: nuget