Managing sound and video settings during Teams meetings and calls for optimal communication
You can follow these instructions to leave the beta: https://support.google.com/googleplay/answer/7003180?visit\_id=638036158090676779-4036069234&p=beta\_testing&rd=1
Basically you leave the beta, uninstall the app, then reinstall it and you'll get the stable release. I would wait a few minutes after leaving the beta as it can take a little while - the change isn't instantaneous.
You should see this at the top;
Then scroll down until you see this:
If you don't see that, uninstall the app directly from its info page and then download the stable release from APK Mirror.