chore(deps): update dependency @gunshi/docs to ^0.28.0

Author: renovate[bot]

pnpm-workspace.yaml

@@ -27,7 +27,7 @@ catalogs:
     oxfmt: ^0.23.0
     publint: ^0.3.12
   llm-docs:
-    '@gunshi/docs': ^0.27.5
+    '@gunshi/docs': ^0.28.0
     '@praha/byethrow-docs': ^0.9.0
   release:
     bumpp: ^10.2.3