chore(deps-dev): bump typescript from 4.2.2 to 4.2.3 (#84)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.2.2 to 4.2.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.2.2...v4.2.3)

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

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
     "prettier": "^2.2.1",
     "print-diff": "^1.0.0",
     "styleless-innertext": "^1.1.2",
-    "typescript": "^4.2.0-dev.20210210",
+    "typescript": "^4.2.3",
     "webidl2": "^23.13.1",
     "webref": "github:w3c/webref#41a8ec6b85634d1bdf5daa85f3c32a1adad1d2f8"
   },