While pretty rare, i’ve seen this a couple times so now asking about it.
The service has auto deploys turned off, and is deployed via the webhook in a github action after tests run. The only other way to deploy that i am aware of is manually in the render dashboard.
In the attached screenshot, the deploy at 1:48 AM was not made by either method noted above. Hoping you can provide some insight as to what initiated it.
It looks like your service was redeployed in an automated update by Render. Our systems periodically perform maintenance on our underlying infrastructure to ensure reliability, which sometimes requires applications to be redeployed.