Lightsail - Upgrade MySQL from 8.0.28 to 8.0.32

From: https://lightsail.aws.amazon.com/ls/docs/en_us/articles/amazon-lightsail-changing-preferred-maintenance-and-backup-windows

"Minor version upgrades, and other database maintenance tasks, are performed automatically during the preferred maintenance window for your database. The preferred maintenance window is a 30-minute window selected at random from an 8-hour block of time for each AWS Region. It occurs on a random day of the week. Database backups are performed during the preferred backup window. The preferred backup window is a 30-minute window selected at random from an 8-hour block of time for each AWS Region. It also occurs on a random day of the week."

It will be automatically upgraded during a maintenance window.