Bump typescript from 3.4.5 to 3.9.10 in /cloudflare

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.4.5 to 3.9.10.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.4.5...v3.9.10)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

cloudflare/package.json

@@ -18,7 +18,7 @@
   "homepage": "https://github.com/replicatedhq/ttl.sh#readme",
   "devDependencies": {
     "awesome-typescript-loader": "^5.2.1",
-    "typescript": "^3.4.5",
+    "typescript": "^3.9.10",
     "webpack": "^4.31.0",
     "webpack-cli": "^3.3.2",
     "workers-preview": "^1.0.6"

cloudflare/yarn.lock

@@ -2748,10 +2748,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.4.5:
-  version "3.4.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.5.tgz#2d2618d10bb566572b8d7aad5180d84257d70a99"
-  integrity sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==
+typescript@^3.9.10:
+  version "3.9.10"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
+  integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
 
 union-value@^1.0.0:
   version "1.0.0"