Bump typescript from 3.9.9 to 4.1.5

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.9 to 4.1.5.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.9...v4.1.5)

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

package.json

@@ -34,7 +34,7 @@
     "onchange": "^7.1.0",
     "prettier": "^2.2.1",
     "ts-jest": "^25.5.1",
-    "typescript": "^3.9.9"
+    "typescript": "^4.1.5"
   },
   "dependencies": {
     "axios": "^0.21.0",

yarn.lock

@@ -4555,10 +4555,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^3.9.9:
-  version "3.9.9"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.9.tgz#e69905c54bc0681d0518bd4d587cc6f2d0b1a674"
-  integrity sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==
+typescript@^4.1.5:
+  version "4.1.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.5.tgz#123a3b214aaff3be32926f0d8f1f6e704eb89a72"
+  integrity sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==
 
 undefsafe@^2.0.3:
   version "2.0.3"