AWS Bedrock adds exponential backoff support.

Comment From: markpollack

Thank you, moving to M2.

Comment From: maxjiang153

@markpollack Is it possible to merge this feature into 1.0.0-M1? There is lots of other work to do with Bedrock AI models, it will be more convenient for future PRs.

Comment From: maxjiang153

re-implement with: https://github.com/spring-projects/spring-ai/pull/813