docs(relay): the webhook path names the endpoint key, not the environment id

Fixes https://git.cafe/pingdotgg/t3code/issues/16988

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
e9a26d4a7fJulius Marminge committed on 10/22/2026, 12:14:17 AMparentb5a226e
1 file changedLine totals unavailable