fix missing packages

Author: severo

apps/hightable-demo/package.json

@@ -22,6 +22,7 @@
     "@types/react": "18.3.12",
     "@types/react-dom": "18.3.1",
     "@vitejs/plugin-react": "4.3.3",
+    "@vitest/coverage-v8": "2.1.4",
     "eslint": "9.14.0",
     "eslint-plugin-react": "7.37.2",
     "eslint-plugin-react-hooks": "5.0.0",

apps/hyparquet-demo/package.json

@@ -25,6 +25,7 @@
     "@types/react": "18.3.12",
     "@types/react-dom": "18.3.1",
     "@vitejs/plugin-react": "4.3.3",
+    "@vitest/coverage-v8": "2.1.4",
     "eslint": "9.14.0",
     "eslint-plugin-react": "7.37.2",
     "eslint-plugin-react-hooks": "5.0.0",