Bump @cloudflare/workers-types from 4.20250109.0 to 4.20250121.0 (#130)

Bumps [@cloudflare/workers-types](https://github.com/cloudflare/workerd) from 4.20250109.0 to 4.20250121.0.
- [Release notes](https://github.com/cloudflare/workerd/releases)
- [Changelog](https://github.com/cloudflare/workerd/blob/main/RELEASE.md)
- [Commits](https://github.com/cloudflare/workerd/commits)

---
updated-dependencies:
- dependency-name: "@cloudflare/workers-types"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

package-lock.json

@@ -12,7 +12,7 @@
 	},
 	"devDependencies": {
 		"@cloudflare/vitest-pool-workers": "^0.6.0",
-		"@cloudflare/workers-types": "^4.20250109.0",
+		"@cloudflare/workers-types": "^4.20250121.0",
 		"@vitest/coverage-istanbul": "^2.1.8",
 		"typescript": "^5.7.3",
 		"vitest": "2.1.8",