python-1.40.0

What's Changed

• Remove unused workflow by Evan Mattson (@moonbox3) in #13545
• Python: support (Azure) OpenAI realtime audio models by Evan Mattson (@moonbox3) in #13291
• Python: Bump py version to 1.40.0 for a release by Evan Mattson (@moonbox3) in #13619

Full Changelog: python-1.39.4...python-1.40.0