🚀 Describe the new functionality needed

#3748 switched to using a AWS_BEDROCK_API_KEY key environment variable.

I recommend changing that name to match the name that AWS uses in their documentation, AWS_BEARER_TOKEN_BEDROCK to reduce confusion.

This also matches the AWS web console UI:

💡 Why is this needed? What if we don't build it?

This should make it easier for developers to compare the LLS docs with AWS docs.

Other thoughts

No response