fix(deps): Bump lodash from 4.17.11 to 4.17.15 (#55)

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.15 to fix security vulnerability.

Author: dependabot[bot]

package-lock.json

@@ -59,13 +59,13 @@
     "jest-runner-eslint": "^0.7.3",
     "jest-runner-tsc": "^1.3.2",
     "jest-watch-typeahead": "^0.3.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.15",
     "rimraf": "^2.6.3",
     "typescript": "^3.2.1",
     "yargs": "^13.1.0"
   },
   "devDependencies": {
-    "@types/lodash-es": "^4.17.1",
+    "@types/lodash": "^4.14.136",
     "@types/yargs": "^13.0.0"
   }
 }