Use solidus_auth_devise >= 2.1 for sandbox
Use solidus_auth_devise >= 2.1 for sandbox

We need at least the 2.1 gem release of solidus auth devise,
because we dropped the deface dependency in Solidus 2.5.0.

Without this might break the sandbox (the build in demo app),
if people have an older version of solidus auth devise installed.

pervino/solidus,pervino/solidus,pervino/solidus,pervino/solidus