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

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "@ht2-labs/semantic-release": "1.1.90",
     "@ht2-labs/typescript-project": "1.1.0",
-    "@types/lodash": "4.14.141",
+    "@types/lodash": "4.17.20",
     "@types/mocha": "5.2.7",
     "@types/node": "8.10.54",
     "@types/source-map-support": "0.5.0",