[fuel] verify: Align build/deploy docker img tags

Docker build automatically appends 'amd64-<TAG>' or 'arm64-<TAG>',
which are normally combined using manifest tool. However, for verify
we don't push a manifest, so use the explicit arch-specific tag.

Change-Id: Idc036216919164e71d3da5032a79f7f47d115710
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>