Update dependency coveralls to v3.0.7

Author: renovate-bot

package.json

@@ -45,7 +45,7 @@
     "x-ray-parse": "~1.0.1"
   },
   "devDependencies": {
-    "coveralls": "3.0.4",
+    "coveralls": "3.0.7",
     "istanbul": "0.4.5",
     "mocha": "~6.1.4",
     "mocha-lcov-reporter": "1.3.0",