Update @typescript-eslint/eslint-plugin requirement in /packages/worker

Updates the requirements on [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) to permit the latest version.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.28.0/packages/eslint-plugin)

---
updated-dependencies:
- dependency-name: "@typescript-eslint/eslint-plugin"
  dependency-type: direct:development
...

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

Author: dependabot[bot]

packages/worker/package.json

@@ -18,7 +18,7 @@
 		"@cloudflare/vitest-pool-workers": "^0.7.7",
 		"@cloudflare/workers-types": "^4.20250327.0",
 		"@eslint/js": "^9.23.0",
-		"@typescript-eslint/eslint-plugin": "^8.27.0",
+		"@typescript-eslint/eslint-plugin": "^8.28.0",
 		"@typescript-eslint/parser": "^8.28.0",
 		"esbuild": "^0.25.1",
 		"esbuild-plugin-babel": "^0.2.3",