Bump typescript in /create/new_project/demos/erc20_btc

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.5 to 3.9.6.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/commits)

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

Author: dependabot[bot]

create/new_project/demos/erc20_btc/package.json

@@ -21,7 +21,7 @@
         "ts-node": "^8.10.2",
         "tslint": "^6.1.2",
         "tslint-config-prettier": "^1.18.0",
-        "typescript": "^3.9.5"
+        "typescript": "^3.9.6"
     },
     "dependencies": {
         "comit-sdk": "^0.16.1",

create/new_project/demos/erc20_btc/yarn.lock

@@ -2214,10 +2214,10 @@ type-is@~1.6.17, type-is@~1.6.18:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-typescript@^3.9.5:
-  version "3.9.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.5.tgz#586f0dba300cde8be52dd1ac4f7e1009c1b13f36"
-  integrity sha512-hSAifV3k+i6lEoCJ2k6R2Z/rp/H3+8sdmcn5NrS3/3kE7+RyZXm9aqvxWqjEXHAd8b0pShatpcdMTvEdvAJltQ==
+typescript@^3.9.6:
+  version "3.9.6"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.6.tgz#8f3e0198a34c3ae17091b35571d3afd31999365a"
+  integrity sha512-Pspx3oKAPJtjNwE92YS05HQoY7z2SFyOpHo9MqJor3BXAGNaPUs83CuVp9VISFkSjyRfiTpmKuAYGJB7S7hOxw==
 
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"