Bump @cloudflare/workers-types from 4.20231121.0 to 4.20231218.0

Bumps [@cloudflare/workers-types](https://github.com/cloudflare/workerd) from 4.20231121.0 to 4.20231218.0.
- [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
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -23,7 +23,7 @@
     },
     "devDependencies": {
         "@astrojs/check": "^0.3.1",
-        "@cloudflare/workers-types": "^4.20231121.0",
+        "@cloudflare/workers-types": "^4.20231218.0",
         "typescript": "^5.3.2",
         "wrangler": "^3.22.1"
     }