chore(deps-dev): bump typescript from 3.8.3 to 3.9.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.8.3 to 3.9.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.8.3...v3.9.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -11110,9 +11110,9 @@
       }
     },
     "typescript": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "version": "3.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.2.tgz",
+      "integrity": "sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==",
       "dev": true
     },
     "uglify-js": {

package.json

@@ -64,7 +64,7 @@
     "rollup-plugin-typescript2": "^0.27.0",
     "rollup-plugin-uglify": "^6.0.4",
     "start-server-and-test": "^1.11.0",
-    "typescript": "^3.8.3"
+    "typescript": "^3.9.2"
   },
   "peerDependencies": {
     "react": "^16.13.1"