Merge pull request #1120 from Binaryify/renovate/mocha-8.x

Update dependency mocha to v8.3.0

package.json

@@ -55,7 +55,7 @@
     "eslint-plugin-prettier": "3.3.1",
     "intelli-espower-loader": "1.0.1",
     "lint-staged": "10.5.0",
-    "mocha": "8.2.0",
+    "mocha": "8.3.0",
     "power-assert": "1.6.1",
     "prettier": "2.2.1",
     "typescript": "4.1.3"