MFH: r553599
databases/mysql80-{client, server}: Update to latest release 8.0.22
Full Changelog: https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-22.html
Security: 4fba07ca-13aa-11eb-b31e-d4c9ef517024
Sponsored by: Netzkommune GmbH
Approved by: ports-secteam (with hat)