build(deps-dev): bump type-fest from 4.20.1 to 4.21.0

Bumps [type-fest](https://github.com/sindresorhus/type-fest) from 4.20.1 to 4.21.0.
- [Release notes](https://github.com/sindresorhus/type-fest/releases)
- [Commits](sindresorhus/type-fest@v4.20.1...v4.21.0)

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

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

package.json

@@ -61,7 +61,7 @@
     "sort-package-json": "2.10.0",
     "ts-jest": "29.1.5",
     "ts-node": "10.9.2",
-    "type-fest": "4.20.1",
+    "type-fest": "4.21.0",
     "typescript": "5.5.2"
   }
 }