build(deps-dev): 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](tsdjs/tsd@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

@@ -31,7 +31,7 @@
     "@types/node": "^17.0.41",
     "fastify-tsconfig": "^1.0.1",
     "rimraf": "^3.0.2",
-    "tsd": "^0.20.0"
+    "tsd": "^0.21.0"
   },
   "tsd": {
     "directory": "types"