Update deps (#1824)

Author: IvanGoncharov

package.json

@@ -61,8 +61,8 @@
     "eslint-plugin-flowtype": "3.6.1",
     "eslint-plugin-prettier": "3.0.1",
     "flow-bin": "0.97.0",
-    "mocha": "6.1.3",
-    "nyc": "13.3.0",
+    "mocha": "6.1.4",
+    "nyc": "14.0.0",
     "prettier": "1.17.0",
     "sane": "4.1.0"
   }