azure-ai-language-conversations needs typing updates for pyright version 1.1.391

[azure-sdk]

ACTION NEEDED: This version of pyright will be merged on 2025-10-13. The build will begin to fail for this library if errors are not fixed.

Library name: azure-ai-language-conversations
Pyright version: 1.1.391
Pyright Build: Link to build (2025-08-24)
How to fix: Run the next-pyright tox command at the library package-level and resolve the typing errors.

1. ../azure-ai-language-conversations>pip install "tox<5"
2. ../azure-ai-language-conversations>tox run -e next-pyright -c ../../../eng/tox/tox.ini --root .

See the Typing Guide for more information.