ci: install meson in CirrusCI KVM build environment

scripts/archive-source.sh needs meson in order to download the subprojects,
therefore meson needs to be part of the host environment in which VM-based
build jobs run.

Fixes: 2019cabfee0 ("meson: subprojects: replace submodules with wrap files", 2023-06-06)
Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed