graphrag-llm supports 3.13

[DeoLeung]

Description

make graphrag-llm supports python 3.13

Related Issues

make whole graphrag works with python 3.13

Proposed Changes

[List the specific changes made in this pull request.]

Checklist

• [ x] I have tested these changes locally.
• [x ] I have reviewed the code changes.
• I have updated the documentation (if necessary).
• I have added appropriate unit tests (if applicable).

Additional Notes

[Add any additional notes or context that may be helpful for the reviewer(s).]

[natoverse]

Re-pushed as #2208 for merge permissions