Merged in chore/upgrade-vitest4 (pull request #3253)

chore: upgrade to vitest@4

* chore: upgrade to vitest@4


Approved-by: Anton Gunnarsson

packages/booking-flow/package.json

@@ -88,14 +88,14 @@
     "@types/react": "^19.2.3",
     "@typescript-eslint/eslint-plugin": "^8.32.0",
     "@typescript-eslint/parser": "^8.32.0",
-    "@vitest/coverage-v8": "^3.2.4",
+    "@vitest/coverage-v8": "^4.0.0",
     "dotenv": "^16.5.0",
     "eslint": "^9",
     "eslint-plugin-formatjs": "^5.3.1",
     "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-simple-import-sort": "^12.1.1",
     "typescript": "5.8.3",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.0",
     "zod": "^3.24.4"
   }
 }