Update Yarn to v4

Author: renovate[bot]

.yarn/releases/yarn-3.8.7.cjs

@@ -4,4 +4,4 @@ plugins:
   - path: .yarn/plugins/@yarnpkg/plugin-interactive-tools.cjs
     spec: "@yarnpkg/plugin-interactive-tools"
 
-yarnPath: .yarn/releases/yarn-3.8.7.cjs
+yarnPath: .yarn/releases/yarn-4.9.3.cjs

.yarn/releases/yarn-4.9.3.cjs

@@ -51,5 +51,5 @@
   "engines": {
     "node": ">=22.0.0"
   },
-  "packageManager": "yarn@3.8.7"
+  "packageManager": "yarn@4.9.3"
 }