chore(deps): update dependency mocha to v9 (#201)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -47,7 +47,7 @@
     "@types/js-yaml": "^4.0.0",
     "@types/json5": "^0.0.30",
     "@types/lodash": "^4.14.159",
-    "@types/mocha": "^8.0.1",
+    "@types/mocha": "^9.0.0",
     "@types/parse5": "^6.0.0",
     "@types/semver": "^7.3.4",
     "@typescript-eslint/eslint-plugin": "^5.2.0",
@@ -60,7 +60,7 @@
     "eslint-plugin-vue-libs": "^3.0.0 || ^4.0.0",
     "eslint4b": "^7.16.0",
     "lerna-changelog": "^1.0.1",
-    "mocha": "^8.0.0",
+    "mocha": "^9.0.0",
     "monaco-editor": "^0.29.0",
     "nyc": "^15.0.0",
     "opener": "^1.5.1",