fix: restore TypeScript version to match upstream

- Revert packages/core/package.json TypeScript version from ^5.9.2 to ^5.0.0
- Maintains consistency with upstream master branch
- Resolves ERR_PNPM_OUTDATED_LOCKFILE CI failure

Author: MapleEve

packages/core/package.json

@@ -34,7 +34,7 @@
         "tree-sitter-rust": "^0.21.0",
         "tree-sitter-scala": "^0.24.0",
         "tree-sitter-typescript": "^0.21.0",
-        "typescript": "^5.9.2",
+        "typescript": "^5.0.0",
         "voyageai": "^0.0.4"
     },
     "devDependencies": {