Snapd updates in Fedora EPEL for Enterprise Linux

[mborzecki]

An update to 2.54.1:

• EPEL 8: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2021-38fd34170a
• EPEL 7: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2021-e2d02fdf27

Please test and provide feedback.