chore: bump vitest and vitest/coverage to v4 (#379)

Author: feloy

package.json

@@ -123,7 +123,7 @@
     "@types/ssh2": "^1.15.5",
     "@typescript-eslint/eslint-plugin": "^8.48.1",
     "@typescript-eslint/parser": "^8.48.1",
-    "@vitest/coverage-v8": "^3.1.1",
+    "@vitest/coverage-v8": "^4",
     "eslint": "^9.39.1",
     "eslint-import-resolver-custom-alias": "^1.3.2",
     "eslint-import-resolver-typescript": "^4.4.4",
@@ -142,6 +142,6 @@
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.48.1",
     "vite": "^7.2.6",
-    "vitest": "^3.1.1"
+    "vitest": "^4"
   }
 }