chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -150,8 +150,8 @@
     "@types/showdown": "^2.0.1",
     "@types/xml2js": "^0.4.11",
     "@vitejs/plugin-react-swc": "^4.0.0",
-    "@vitest/coverage-v8": "3.2.4",
-    "@vitest/ui": "^3.2.4",
+    "@vitest/coverage-v8": "4.0.2",
+    "@vitest/ui": "^4.0.0",
     "buffer": "^6.0.3",
     "canvas": "^3.1.0",
     "constants-browserify": "^1.0.0",
@@ -184,7 +184,7 @@
     "typescript": "^5.8.2",
     "typescript-eslint": "^8.1.0",
     "url": "^0.11.1",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.0",
     "webpack-bundle-analyzer": "^4.9.0"
   },
   "browserslist": {