chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -57,7 +57,7 @@
 		"@types/ws": "^8.18.1",
 		"@typescript-eslint/eslint-plugin": "^7.18.0",
 		"@typescript-eslint/parser": "^7.18.0",
-		"@vitest/coverage-v8": "^3.2.4",
+		"@vitest/coverage-v8": "^4.0.15",
 		"concurrently": "^9.2.1",
 		"cz-conventional-changelog": "^3.3.0",
 		"discord.js": "^14.24.2",
@@ -73,7 +73,7 @@
 		"typescript": "~5.4.5",
 		"unplugin-replace": "^0.6.2",
 		"vite": "^7.2.4",
-		"vitest": "^3.2.4"
+		"vitest": "^4.0.15"
 	},
 	"repository": {
 		"type": "git",