chore(package): update dependencies

Author: greenkeeper[bot]

package.json

@@ -23,20 +23,20 @@
     "ignore": "^3.3.3",
     "inquirer": "^3.2.2",
     "js-yaml": "^3.9.1",
-    "jsonwebtoken": "^7.4.3",
+    "jsonwebtoken": "^8.1.0",
     "lodash": "^4.17.4",
     "opn": "^5.1.0",
     "ora": "^1.3.0",
     "tar-fs": "^1.15.3",
     "update-notifier": "^2.2.0",
-    "yargs": "^8.0.2"
+    "yargs": "^10.0.3"
   },
   "devDependencies": {
-    "coveralls": "^2.13.1",
+    "coveralls": "^3.0.0",
     "nock": "^9.0.14",
     "pkg": "^4.2.4",
     "proxyquire": "^1.8.0",
-    "sinon": "^3.2.1",
+    "sinon": "^4.0.2",
     "tap": "^10.7.2"
   }
 }