fix: Do not retry when context window has been exceeded (#2126)

* Add typed token limit exception

* Do not tenacity retry on PhoenixExceptions

* Do not retry when max context window exceeded - OpenAI

* Do not retry when max context window exceeded - Bedrock

* Do not retry when max context window exceeded - Anthropic

* Normalize exception names

* Catch more bedrock errors

* Improve error handling per PR feedback