Lambda created *-*-custom-resource-apigw-cw-role, what is it?

I just upgraded to Serverless 1.53.0 and deployed a very simple project (1 Lambda and API Gateway). I noticed a new Lambda was created [service]-[stage]-custom-resource-apigw-cw-role. What is this Lambda and what does it do? How often is it executed, memory usage etc…

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