Update AppVeyor release config
Update AppVeyor release config

The AppVeyor config was updated in #1870 but I missed some changes
for the release config.

sass/node-sass,sass/node-sass,saper/node-sass,xzyfer/node-sass,saper/node-sass,xzyfer/node-sass,xzyfer/node-sass,nschonni/node-sass,nschonni/node-sass,sass/node-sass,saper/node-sass,Smartbank/node-sass,sass/node-sass,saper/node-sass,Smartbank/node-sass,saper/node-sass,xzyfer/node-sass,Smartbank/node-sass,nschonni/node-sass,sass/node-sass,Smartbank/node-sass,sass/node-sass,xzyfer/node-sass,nschonni/node-sass,nschonni/node-sass,xzyfer/node-sass,Smartbank/node-sass,Smartbank/node-sass,xzyfer/node-sass,saper/node-sass,nschonni/node-sass,saper/node-sass,nschonni/node-sass,sass/node-sass,Smartbank/node-sass