[gobby-cli-#840] chore: harden coderabbit wiki ignore

Author: joshwilhelmi

.coderabbit.yaml

@@ -5,5 +5,5 @@ reviews:
   profile: assertive
   path_filters:
     - "!.gobby/plans/completed/**"
-    - "!.gobby/wiki/**"
+    - "!**/.gobby/wiki/**"
     - "!docs/plans/completed/**"