Merge pull request #136 from zhw2590582/dependabot/npm_and_yarn/mocha-9.0.0

Bump mocha from 8.4.0 to 9.0.0

package.json

@@ -51,7 +51,7 @@
         "glob": "^7.1.6",
         "inquirer": "^8.0.0",
         "lerna": "^4.0.0",
-        "mocha": "^8.2.1",
+        "mocha": "^9.0.0",
         "mocha-chrome": "^2.2.0",
         "node-sass": "^5.0.0",
         "rollup": "^2.33.3",