Update dependency typescript to v3.7.5 (#14)

Co-authored-by: WhiteSource Renovate <[email protected]>

Author: renovate[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "tslint": "5.20.1",
     "tslint-config-prettier": "1.18.0",
     "tslint-plugin-prettier": "2.1.0",
-    "typescript": "3.7.4"
+    "typescript": "3.7.5"
   },
   "repository": {
     "type": "git",