Option added to `uplink access setup` and `uplink access create`
commands to disable object key encryption.
Related to https://github.com/storj/storj/issues/5678
Change-Id: I4789a94143742ff4b232fd60decc029ad2883c2a
As a reminder: latest clingy removed the requirement of having custom context (which made the usage of context.WithValue harder) and uses simple context instead.
Clingy saves the stdin/stdout/stderr to the context (earlier to separated context type) to make it available for unit testing.
Change-Id: I8896574f4670721de43a577cd4b35952e3b5d00e
