- Add AWS_BEARER_TOKEN_BEDROCK environment variable to CLI constants
- Update English and Portuguese documentation with both IAM and API key auth methods
- Document boto3 v1.393+ requirement for API key authentication
- Add comprehensive tests for both authentication methods
- Include links to AWS console for API key generation
Addresses issue #3125
Co-Authored-By: Jo\u00E3o <joao@crewai.com>