chore(deps): update dependency tslint to v5.20.1

Author: renovate-bot

package-lock.json

@@ -69,7 +69,7 @@
     "redux-devtools": "3.5.0",
     "redux-logger": "3.0.6",
     "ts-jest": "24.1.0",
-    "tslint": "5.20.0",
+    "tslint": "5.20.1",
     "tslint-config-prettier": "1.18.0",
     "typescript": "3.7.2"
   },