www/minio: Update version 2023-03-22T06-36-24Z=>2023-04-20T17-56-55Z

• Update pkg-descr to point about migration [1]

Changelog:
https://github.com/minio/minio/releases/tag/RELEASE.2023-04-20T17-56-55Z

PR: 270538 [1]
Reported by: freebsd@bengrimm.net [1]