Update Yarn to v4

Author: renovate[bot]

.yarn/releases/yarn-3.8.5.cjs

@@ -6,4 +6,4 @@ nmMode: hardlinks-local
 
 nodeLinker: node-modules
 
-yarnPath: .yarn/releases/yarn-3.8.5.cjs
+yarnPath: .yarn/releases/yarn-4.4.1.cjs

.yarn/releases/yarn-4.4.1.cjs

@@ -18,15 +18,15 @@
   },
   "engines": {
     "node": ">=14.17 <=18.20",
-    "yarn": ">=1.15 <=3"
+    "yarn": ">=1.15 <=4"
   },
   "prisma": {
     "seed": "yarn rw exec seed"
   },
   "scripts": {
     "rw-test-e2e": "npx playwright test e2e"
   },
-  "packageManager": "yarn@3.8.5",
+  "packageManager": "yarn@4.4.1",
   "dependencies": {
     "styled-system": "5.1.5"
   }