US - Platform update to resolve mysqldump issue

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The scheduled maintenance is now underway. We'll keep you updated on our progress.

With our PHP upgrade we happened to upgrade the mysqldump client to version 5.7.41 which is has this bug: https://bugs.mysql.com/bug.php?id=109685

This mainly affects Craft CMS sites, causing their standard database backup method fail. Craft has a workaround in place, but it doesn’t correctly detect our affected mysqldump version so the error happens anyway. Therefore we need to upgrade the entire platform again, but this time actually downgrade mysqldump to a previous version.

This platform update will affect all Apps (Uni and Pro). The expected downtime for App web delivery, SSH/SFTP and deployment is a few minutes, but could in some cases be up to one hour. We will run the updates sequentially, App after App. Pro Apps on production plans are planned to have near-to-zero downtime.