fix(cspell): correct Russian dictionary path case

- Update ru_RU.trie.gz to ru_ru.trie.gz for proper file reference

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ericyangpan

cspell.json

@@ -26,7 +26,7 @@
     },
     {
       "name": "ru",
-      "path": "node_modules/@cspell/dict-ru_ru/ru_RU.trie.gz",
+      "path": "node_modules/@cspell/dict-ru_ru/ru_ru.trie.gz",
       "description": "Russian dictionary"
     }
   ],