chore(deps): update dependency @types/lodash to v4.17.20

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "@ht2-labs/semantic-release": "1.1.94",
     "@ht2-labs/typescript-project": "2.0.45",
     "@types/dotenv": "4.0.3",
-    "@types/lodash": "4.14.144",
+    "@types/lodash": "4.17.20",
     "@types/mocha": "5.2.7",
     "@types/mongodb": "3.3.6",
     "@types/node": "8.10.55",