Fix workers-types version (#9176)

Author: jamesopstad

packages/vite-plugin-cloudflare/playground/streaming/package.json

@@ -14,7 +14,7 @@
 	"devDependencies": {
 		"@cloudflare/vite-plugin": "workspace:*",
 		"@cloudflare/workers-tsconfig": "workspace:*",
-		"@cloudflare/workers-types": "^4.20250507.0",
+		"@cloudflare/workers-types": "^4.20250508.0",
 		"@vitejs/plugin-basic-ssl": "^2.0.0",
 		"typescript": "catalog:default",
 		"vite": "catalog:vite-plugin",