fixup! virt: Rewrite github_issues tool

Signed-off-by: Chris Evich <cevich@redhat.com>
fixup! virt: Fix cache_dump to match new libghpy API

Signed-off-by: Chris Evich <cevich@redhat.com>
virt: Fix cache_populate to match new libghpy API

Signed-off-by: Chris Evich <cevich@redhat.com>