Bump tsd from 0.20.0 to 0.21.0

Bumps [tsd](https://github.com/SamVerschueren/tsd) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/SamVerschueren/tsd/releases)
- [Commits](https://github.com/SamVerschueren/tsd/compare/v0.20.0...v0.21.0)

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

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

package.json

@@ -102,7 +102,7 @@
     "jest": "^28.1.0",
     "lint-staged": "^12.1.4",
     "prettier": "^2.5.1",
-    "tsd": "^0.20.0",
+    "tsd": "^0.21.0",
     "tslint": "^6.1.3",
     "typescript": "^4.5.4"
   }