chore(package): update mocha to version 7.0.1 (#387)

Co-authored-by: Sophia Antipenko <[email protected]>

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
     "codeclimate-test-reporter": "^0.5.0",
     "coveralls": "^3.0.0",
     "eslint": "^6.0.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.1",
     "nock": "^11.1.0",
     "nyc": "^15.0.0",
     "proxyquire": "^2.0.0",