Update vitest to v4

Author: renovate[bot]

packages/kg-unsplash-selector/package.json

@@ -39,7 +39,7 @@
     "@typescript-eslint/eslint-plugin": "8.53.1",
     "@typescript-eslint/parser": "8.53.1",
     "@vitejs/plugin-react": "4.7.0",
-    "@vitest/coverage-v8": "1.6.1",
+    "@vitest/coverage-v8": "4.0.17",
     "autoprefixer": "10.4.23",
     "concurrently": "9.2.1",
     "eslint": "8.57.1",
@@ -55,6 +55,6 @@
     "vite-plugin-css-injected-by-js": "3.5.2",
     "vite-plugin-dts": "3.9.1",
     "vite-plugin-svgr": "4.5.0",
-    "vitest": "1.6.1"
+    "vitest": "4.0.17"
   }
 }

packages/koenig-lexical/package.json

@@ -93,7 +93,7 @@
     "@uiw/react-codemirror": "^4.23.0",
     "@vitejs/plugin-react": "4.7.0",
     "@vitest/coverage-c8": "0.33.0",
-    "@vitest/ui": "1.6.1",
+    "@vitest/ui": "4.0.17",
     "autoprefixer": "10.4.23",
     "babel-loader": "10.0.0",
     "clsx": "^2.0.0",
@@ -128,7 +128,7 @@
     "typescript": "5.9.3",
     "vite": "5.4.21",
     "vite-plugin-svgr": "4.5.0",
-    "vitest": "1.6.1",
+    "vitest": "4.0.17",
     "y-websocket": "^3.0.0",
     "yjs": "^13.6.28"
   }