chore(create): Update TS version to 4.1.5

packages/create/src/constants.ts

@@ -4,4 +4,4 @@ export const SERVER_PORT = 3000;
  * The TypeScript version needs to pinned because minor versions often
  * introduce breaking changes.
  */
-export const TYPESCRIPT_VERSION = '4.0.3';
+export const TYPESCRIPT_VERSION = '4.1.5';