filesystems/zrepl-dsh2dsh: update to 0.9.1

Upgrading needs to modify configuration file:

/usr/local/etc/zrepl/zrepl.yml

Please read more about this change here:
https://github.com/dsh2dsh/zrepl?tab=readme-ov-file#breaking-changes

Changelogs:
https://github.com/dsh2dsh/zrepl/releases/tag/v0.8.10
https://github.com/dsh2dsh/zrepl/releases/tag/v0.9.0
https://github.com/dsh2dsh/zrepl/releases/tag/v0.9.1

PR: 282784