I decide to raise the question to HI.

There's a KB article about this issue

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1650148

Shortly said you are encourage to install Microsoft Teams Graph Spoke (Store , Documentation)

This product requires you purchase the license to benefit the integrationHub as it relies on it.

I will try it on a non production instance and provide a feedback