Due to a programming error it was possible to "share" without an expiry
implicitly. This pollutes the auth service database.
fixes https://github.com/storj/storj/issues/5188
Change-Id: I04a345662c26948c6be6c1ae6bee3b5a583bebc4
When copying an object from cli you can now set the expiry.
It uses the same datetime format as restricting access grants.
Closes https://github.com/storj/storj/issues/4595
Change-Id: Icab73a64a9589817d6bc6d702b765b166ca1350d