Update @cloudflare/workers-types requirement in /packages/worker

Updates the requirements on [@cloudflare/workers-types](https://github.com/cloudflare/workerd) to permit the latest version.
- [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
...

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

Author: dependabot[bot]

packages/worker/package.json

@@ -16,7 +16,7 @@
 		"main": "*"
 	},
 	"devDependencies": {
-		"@cloudflare/workers-types": "^4.20230228.0",
+		"@cloudflare/workers-types": "^4.20230307.0",
 		"@typescript-eslint/eslint-plugin": "^5.54.0",
 		"@typescript-eslint/parser": "^5.54.1",
 		"esbuild": "^0.17.11",