fix: group CodeQL actions to avoid failing CIs (#1428)

Author: pandatix

.github/dependabot.yaml

@@ -5,6 +5,11 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    groups:
+      # init/autobuild/analyze must stay on the same version or CodeQL errors out
+      codeql-action:
+        patterns:
+          - "github/codeql-action*"
 
   # Chall-Manager module
   - package-ecosystem: "gomod"