CI: Group Microsoft.CodeAnalysis Updates (#296)

Author: BenjaminMichaelis

.github/dependabot.yml

@@ -4,6 +4,10 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+    groups:
+      microsoft-codeanalysis:
+        patterns:
+          - "Microsoft.CodeAnalysis*"
 
   - package-ecosystem: "github-actions" # See documentation for possible values
     directory: "/" # Location of package manifests