chore(deps): update dependency typescript to v3.9.2

| datasource | package    | from  | to    |
| ---------- | ---------- | ----- | ----- |
| npm        | typescript | 3.8.3 | 3.9.2 |

Author: renovate-bot

package.json

@@ -35,7 +35,7 @@
     "source-map-support": "0.5.19",
     "styled-components": "4.4.1",
     "ts-node": "8.10.1",
-    "typescript": "3.8.3",
+    "typescript": "3.9.2",
     "webpack": "4.43.0",
     "webpack-cli": "3.3.11",
     "webpack-dev-server": "3.11.0"