Release 3.9.10 for Moodle 3.9

Release 3.9.10 of Microsoft plugins for Moodle 3.9.

This release contains:

• Full support of Single Sign Out feature for connected users.
• Other bug fixes and small changes.

Full support of Single Sign Out feature for connected users (#2014)

The auth_oidc plugin now provides an endpoint which Microsoft services can request to trigger the logout of the connected Moodle users from Microsoft. The URL is https://url.to.moodle/auth/oidc/logout.php, and it can be configured in the "Front-channel logout URL" setting of Azure app.

Bug fixes and small changes

• Improved support for matching users by email in the user sync task. (#2034, thanks to @phager-at)
• Bug fix to prevent unexpected user suspension when full user sync fails. (#2048)
• More flexible schedule options to run user suspension/deletion part of the user sync task. (#2023)
• Bug fix on whether profile photo sync needs to run in the user sync task. (#1898)
• Fix broken unit tests. (#2018)
• Add missing delegated permissions required to configure multi-tenancy to PowerShell script and permission check.
• Update SDS sync feature to work with incomplete Graph API responses in user profile sync.
• Move deploying bot button image to image folder of local_o365 from external sources.