upgrade packages

package.json

@@ -43,20 +43,20 @@
   ],
   "dependencies": {
     "es6-promise": "^4.2.8",
-    "request": "^2.88.0"
+    "request": "^2.88.2"
   },
   "devDependencies": {
-    "@types/chai": "^4.2.5",
+    "@types/chai": "^4.2.9",
     "@types/mocha": "^5.2.7",
-    "@types/request": "^2.48.3",
+    "@types/request": "^2.48.4",
     "chai": "^4.2.0",
     "coveralls": "^3.0.9",
-    "eslint": "^6.7.1",
+    "eslint": "^6.8.0",
     "istanbul": "^1.1.0-alpha.1",
     "log4js": "^4.0.2",
     "mocha": "^6.2.2",
-    "ts-node": "^8.5.4",
+    "ts-node": "^8.6.2",
     "tslint": "^5.20.1",
-    "typescript": "^3.7.2"
+    "typescript": "^3.8.2"
   }
 }