[feature request] parse out prompt templates if possible from langchain 0.3.0

[mikeldking]

langchain payload seems to be missing prompt templates. Figure out if this is possible to capture

[dosubot]

Hi, @mikeldking. I'm Dosu, and I'm helping the OpenInference team manage their backlog. I'm marking this issue as stale.

Issue Summary:

• You requested a feature to extract prompt templates from the langchain 0.3.0 payload.
• Noted that these templates seem to be absent in the current payload.
• Seeking guidance on capturing these templates effectively.
• No further comments or developments have been made on this issue.

Next Steps:

• Please let us know if this issue is still relevant to the latest version of the OpenInference repository by commenting here.
• If there is no further activity, this issue will be automatically closed in 7 days.

Thank you for your understanding and contribution!