www/minio: Mark DEPRECATED

- Upstream has declared this in maintenance mode prefering their
  commercial version. [1]
- Set EXPIRATION_DATE 2026-12-31.
- For now I have set the expiration 1 year ahead but in the mean time if
  there is any critical security this port will be removed beforehand if
  the upstream does not fix it.
- If anyone knows a good alternative worth migrating to and need help
  porting please give me a heads up.
- www/garage might be a viable alternative but I have not checked the
  migration procedure

1. https://github.com/minio/minio/commit/27742d469462e1561c776f88ca7a1f26816d69e2