Update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -29,13 +29,13 @@
   },
   "devDependencies": {
     "@nx/js": "22.5.4",
-    "@vitest/coverage-v8": "3.2.4",
+    "@vitest/coverage-v8": "4.1.0",
     "eslint": "8.57.1",
     "eslint-plugin-ghost": "3.5.0",
     "nx": "22.5.4",
     "sinon": "21.0.2",
     "ts-node": "10.9.2",
-    "vitest": "3.2.4"
+    "vitest": "4.1.0"
   },
   "resolutions": {
     "node-loggly-bulk": "^4.0.2"