Merge pull request #885 from mastodon/renovate/yarn-monorepo

chore(deps): update yarn to v4.9.0

Author: ChaosExAnima

package.json

@@ -58,5 +58,5 @@
     "tailwindcss-logical": "^3.0.1",
     "typescript": "^5.8.3"
   },
-  "packageManager": "yarn@4.8.1"
+  "packageManager": "yarn@4.9.0"
 }