build: update dependency mocha to v7.1.0

Author: renovate-bot

package-lock.json

@@ -53,7 +53,7 @@
     "@commitlint/cli": "8.3.5",
     "coveralls": "3.0.9",
     "intelli-espower-loader": "1.0.1",
-    "mocha": "7.0.1",
+    "mocha": "7.1.0",
     "nyc": "15.0.0",
     "power-assert": "1.6.1",
     "standard-version": "7.1.0"