Support Azure API for agent and env models; Fix updates on langchain V0.2

[ruiyiw]

Closes #110

📑 Description

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed
• Branch name follows type/descript (e.g. feature/add-llm-agents)
• Ready for code review

ℹ Additional Information

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 12 lines in your changes missing coverage. Please review.

Project coverage is 61.62%. Comparing base (4559cfa) to head (3471ef3).
Report is 1 commits behind head on main.

@@            Coverage Diff             @@
##             main     #132      +/-   ##
==========================================
- Coverage   62.01%   61.62%   -0.40%     
==========================================
  Files          55       55              
  Lines        2733     2736       +3     
==========================================
- Hits         1695     1686       -9     
- Misses       1038     1050      +12     

Files	Coverage Δ
sotopia/generation_utils/generate.py	50.77% <40.00%> (-1.04%)	⬇️

... and 5 files with indirect coverage changes

[ProKil]

@ruiyiw let me know if you need any help resolving the mypy errors