Vagrantfile: use Fedora 32
Vagrantfile: use Fedora 32

Signed-off-by: Akihiro Suda <10ddef0dea2a66ab193b07198faa879adcb213d8@hco.ntt.co.jp>

opencontainers/runc,mikebrow/runc,xiaochenshen/runc,rhatdan/runc,rhatdan/runc,estesp/runc,xiaochenshen/runc,opencontainers/runc,estesp/runc,opencontainers/runc,kolyshkin/runc,mikebrow/runc,opencontainers/runc,xiaochenshen/runc,rhatdan/runc,kolyshkin/runc,dqminh/runc,kolyshkin/runc,kolyshkin/runc,mikebrow/runc,rhatdan/runc,dqminh/runc,estesp/runc,dqminh/runc,dqminh/runc