chore(deps-dev): bump typescript from 3.1.6 to 3.8.3 (#354)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.1.6 to 3.8.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.1.6...v3.8.3)

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

package.json

@@ -43,7 +43,7 @@
     "tslint": "5.11.0",
     "tslint-config-prettier": "1.18.0",
     "tslint-plugin-prettier": "2.0.1",
-    "typescript": "3.1.6"
+    "typescript": "3.8.3"
   },
   "peerDependencies": {
     "prettier": "^1.9.0",

yarn.lock

@@ -2438,9 +2438,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@3.1.6:
-  version "3.1.6"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.1.6.tgz#b6543a83cfc8c2befb3f4c8fba6896f5b0c9be68"
+typescript@3.8.3:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
 
 uglify-js@^3.1.4:
   version "3.7.2"