How to update RDS (CA) Certificates for MySQL

Hello.

You can update the RDS certificate by following the steps in the document below.
Please note that the update will require an RDS restart, so there may be some downtime.
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.SSL-certificate-rotation.html#UsingWithRDS.SSL-certificate-rotation-updating