* test(test_completion_cost.py): add unit testing to ensure all bedrock models with region name have cost tracked
* feat: initial script to get bedrock pricing from amazon api
ensures bedrock pricing is accurate
* build(model_prices_and_context_window.json): correct bedrock model prices based on api check
ensures accurate bedrock pricing
* ci(config.yml): add bedrock pricing check to ci/cd
ensures litellm always maintains up-to-date pricing for bedrock models
* ci(config.yml): add beautiful soup to ci/cd
* test: bump groq model
* test: fix test
