chore(deps): update yarn to v4.9.1

Author: renovate[bot]

.yarn/releases/yarn-4.7.0.cjs

@@ -2,4 +2,4 @@ compressionLevel: mixed
 
 enableGlobalCache: false
 
-yarnPath: .yarn/releases/yarn-4.7.0.cjs
+yarnPath: .yarn/releases/yarn-4.9.1.cjs

.yarn/releases/yarn-4.9.1.cjs

@@ -34,7 +34,7 @@
     "ts-node": "10.9.2",
     "typescript": "5.8.3"
   },
-  "packageManager": "yarn@4.7.0",
+  "packageManager": "yarn@4.9.1",
   "dependencies": {
     "@vueuse/core": "^11.1.0",
     "vue": "^3.5.3"