Update typescript packages

Author: renovate-bot

examples/devserver/package.json

@@ -12,7 +12,7 @@
     "cookie-parser": "1.4.4",
     "dotenv": "8.0.0",
     "express": "4.17.1",
-    "ts-node": "8.3.0"
+    "ts-node": "8.8.1"
   },
   "scripts": {
     "start": "ts-node index.ts"

package.json

@@ -38,6 +38,6 @@
     "prettier": "1.18.2",
     "supertest": "4.0.2",
     "tslint": "5.18.0",
-    "typescript": "^3.7.5"
+    "typescript": "^3.8.3"
   }
 }