chore(deps): update vitest monorepo to v4

cli/package.json

@@ -21,7 +21,7 @@
     "@types/micromatch": "^4.0.9",
     "@types/mock-fs": "^4.13.1",
     "@types/node": "^24.10.4",
-    "@vitest/coverage-v8": "^3.0.0",
+    "@vitest/coverage-v8": "^4.0.0",
     "byte-size": "^9.0.0",
     "cli-progress": "^3.12.0",
     "commander": "^12.0.0",
@@ -37,7 +37,7 @@
     "typescript-eslint": "^8.28.0",
     "vite": "^7.0.0",
     "vite-tsconfig-paths": "^6.0.0",
-    "vitest": "^3.0.0",
+    "vitest": "^4.0.0",
     "vitest-fetch-mock": "^0.4.0",
     "yaml": "^2.3.1"
   },