Bump typescript from 3.9.10 to 4.7.4 (#258)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.10 to 4.7.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.10...v4.7.4)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -65,7 +65,7 @@
     "rollup-plugin-typescript2": "^0.32.1",
     "simulant": "^0.2.2",
     "tslib": "^2.0.0",
-    "typescript": "^3.9.3"
+    "typescript": "^4.7.4"
   },
   "scripts": {
     "devserver": "cd ./testbench && npm i && npm run devserver",

yarn.lock

@@ -3515,10 +3515,10 @@ type-is@~1.6.17:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-typescript@^3.9.3:
-  version "3.9.10"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
-  integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
+typescript@^4.7.4:
+  version "4.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.7.4.tgz#1a88596d1cf47d59507a1bcdfb5b9dfe4d488235"
+  integrity sha512-C0WQT0gezHuw6AdY1M2jxUO83Rjf0HP7Sk1DtXj6j1EwkQNZrHAg2XPWlq62oqEhYvONq5pkC2Y9oPljWToLmQ==
 
 ua-parser-js@^0.7.30:
   version "0.7.31"