Restrict list repositories to a specific prefix

[lynnro314]

A request from a user: Restrict fs:ListRepositories by a spacific prefix: arn:lakefs:fs:::repository/{prefix}*

From Slack: https://lakefs.slack.com/archives/C016726JLJW/p1692694405836989

[github-actions[bot]]

This issue is now marked as stale after 90 days of inactivity, and will be closed soon. To keep it, mark it with the "no stale" label.

[github-actions[bot]]

Closing this issue because it has been stale for 7 days with no activity.

[itaiad200]

This still comes up quite a lot