### Description Update the token counting strategy for each of the LLM models in `aws-bedrock-runtime-2.20`. ### Acceptance Criteria - [x] Implement token extraction via the LlmTokenCountResolver for all 5 LLM Models - [x] All tests pass - [x] Update docs ### Additional Context - [Agent Spec](https://source.datanerd.us/agents/agent-specs/pull/737) - [DACI - Using LLM Supplied Token Counts](https://newrelic.atlassian.net/wiki/spaces/AIO11y/pages/4106649639/DACI+-+Using+LLM+Supplied+Token+Counts).
Description
Update the token counting strategy for each of the LLM models in
aws-bedrock-runtime-2.20.Acceptance Criteria
Additional Context