Add arm64, remove i386 compatibility from ::gluster::repo:apt
Add arm64, remove i386 compatibility from ::gluster::repo:apt

Looking at the glusterfs repository at
https://download.gluster.org/pub/gluster/glusterfs/, it appears
that (at least going back to 3.10):
a) arm64 packages are available
b) i386 packages are not available

Therefore, update the puppet module accordingly

voxpupuli/puppet-gluster,puppet-community/puppet-gluster,covermymeds/puppet-gluster