fix: cancel response body on retryable errors to prevent resource leak

Co-Authored-By: Chris K <ckorhonen@gmail.com>

Author: devin-ai-integration[bot]

src/client.ts

@@ -148,6 +148,7 @@ export class OpenSeaClient {
           )
         }
 
+        await response.body?.cancel()
         await sleep(delayMs)
         continue
       }