chore: upgrade vitest to v4 (#11336)

packages/structures/package.json

@@ -70,7 +70,7 @@
 		"@discordjs/scripts": "workspace:^",
 		"@favware/cliff-jumper": "^6.0.0",
 		"@types/node": "^22.19.1",
-		"@vitest/coverage-v8": "^3.2.4",
+		"@vitest/coverage-v8": "^4.0.15",
 		"cpy-cli": "^6.0.0",
 		"cross-env": "^10.1.0",
 		"esbuild-plugin-version-injector": "^1.2.1",
@@ -82,7 +82,7 @@
 		"tsup": "^8.5.1",
 		"turbo": "^2.6.3",
 		"typescript": "~5.9.3",
-		"vitest": "^3.2.4"
+		"vitest": "^4.0.15"
 	},
 	"engines": {
 		"node": ">=22.12.0"