chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -56,7 +56,7 @@
     "@types/eslint-plugin-jsx-a11y": "6.10.1",
     "@types/lodash-es": "4.17.12",
     "@types/node": "25.5.0",
-    "@vitest/coverage-v8": "3.2.4",
+    "@vitest/coverage-v8": "4.1.1",
     "axe-core": "4.11.1",
     "axe-html-reporter": "2.2.11",
     "better-sqlite3": "12.8.0",
@@ -77,7 +77,7 @@
     "vinxi": "0.5.11",
     "vite": "6.4.1",
     "vite-plugin-solid": "2.11.11",
-    "vitest": "3.2.4",
+    "vitest": "4.1.1",
     "wrangler": "4.45.4"
   },
   "engines": {