chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -96,7 +96,7 @@
 		"txtgen": "^3.0.6",
 		"typescript": "5.9.3",
 		"typescript-eslint": "^8.20.0",
-		"vitest": "^3.0.0",
+		"vitest": "^4.0.0",
 		"vue": "3.5.22"
 	},
 	"peerDependencies": {