chore(.appveyor.yml): trying again
chore(.appveyor.yml): trying again

leodemoura/lean,fgdorais/lean,leanprover-community/lean,fpvandoorn/lean,dselsam/lean,leodemoura/lean,dselsam/lean,avigad/lean,rlewis1988/lean,johoelzl/lean,Kha/lean,Kha/lean,fpvandoorn/lean,fgdorais/lean,digama0/lean,leodemoura/lean,leodemoura/lean,leanprover-community/lean,digama0/lean,fpvandoorn/lean,digama0/lean,leanprover-community/lean,dselsam/lean,dselsam/lean,rlewis1988/lean,fgdorais/lean,avigad/lean,Kha/lean,rlewis1988/lean,fgdorais/lean,avigad/lean,leanprover/lean,digama0/lean,leodemoura/lean,johoelzl/lean,leanprover/lean,Kha/lean,dselsam/lean,avigad/lean,fpvandoorn/lean,digama0/lean,fpvandoorn/lean,rlewis1988/lean,johoelzl/lean,leanprover/lean,leanprover/lean,johoelzl/lean,Kha/lean,rlewis1988/lean,fpvandoorn/lean,leanprover/lean,leodemoura/lean,avigad/lean,leanprover-community/lean,leanprover-community/lean,fgdorais/lean,Kha/lean,digama0/lean,fgdorais/lean,johoelzl/lean,rlewis1988/lean,johoelzl/lean,leanprover/lean,leanprover-community/lean,dselsam/lean,avigad/lean