chore(deps): update vitest monorepo to v4

Author: renovate[bot]

packages/core/package.json

@@ -51,6 +51,6 @@
     "@types/node": "^22.10.10",
     "publint": "^0.3.0",
     "vite": "^7.0.0",
-    "vitest": "^3.0.5"
+    "vitest": "^4.0.0"
   }
 }

packages/svelte/package.json

@@ -66,8 +66,8 @@
     "@types/eslint": "9.6.1",
     "@types/eslint-config-prettier": "^6.11.3",
     "@types/eslint__js": "^9.0.0",
-    "@vitest/coverage-v8": "^3.0.5",
-    "@vitest/ui": "^3.0.5",
+    "@vitest/coverage-v8": "^4.0.0",
+    "@vitest/ui": "^4.0.0",
     "eslint": "^9.2.0",
     "eslint-config-prettier": "^10.0.0",
     "eslint-plugin-playwright": "^2.0.0",
@@ -86,7 +86,7 @@
     "typescript": "^5.4.5",
     "typescript-eslint": "^8.0.0",
     "vite": "^7.0.0",
-    "vitest": "^3.0.5"
+    "vitest": "^4.0.0"
   },
   "peerDependencies": {
     "svelte": "^4.0.0 || ^5.0.0 || ^5.0.0-next.1"

packages/vanilla/package.json

@@ -50,8 +50,8 @@
     "@types/eslint": "9.6.1",
     "@types/eslint-config-prettier": "^6.11.3",
     "@types/eslint__js": "^9.0.0",
-    "@vitest/coverage-v8": "^3.0.5",
-    "@vitest/ui": "^3.0.5",
+    "@vitest/coverage-v8": "^4.0.0",
+    "@vitest/ui": "^4.0.0",
     "eslint": "^9.2.0",
     "eslint-config-prettier": "^10.0.0",
     "execa": "^9.4.0",
@@ -64,7 +64,7 @@
     "typescript": "^5.4.5",
     "typescript-eslint": "^8.0.0",
     "vite": "^7.0.0",
-    "vitest": "^3.0.5"
+    "vitest": "^4.0.0"
   },
   "volta": {
     "extends": "../../package.json"