More specific base docker image tag
More specific base docker image tag

The fedora images in quay dont use generic tags like "latest" or even
"33", so neither should we

Signed-off-by: Michael Peters <f71be246acc95741cdc56b7869574eea5d1c39ab@redhat.com>

mit-ll/python-keylime,mit-ll/python-keylime,mit-ll/python-keylime,mit-ll/python-keylime