(build) Updating to use latest PSBuild
(build) Updating to use latest PSBuild

- Which now includes a -Platform property, so no need to pass this into
the hash table anymore

paladique/ChocolateyGUI,chocolatey/ChocolateyGUI,gep13/ChocolateyGUI,gep13/ChocolateyGUI,RichiCoder1/ChocolateyGUI,chocolatey/ChocolateyGUI,gep13/ChocolateyGUI,M-Zuber/ChocolateyGUI,wjk/ChocolateyGUI,chocolatey/ChocolateyGUI,gep13/ChocolateyGUI,gep13/ChocolateyGUI,chocolatey/ChocolateyGUI,alephnaughty/ChocolateyGUI,digital-carver/ChocolateyGUI,chocolatey/ChocolateyGUI,paladique/ChocolateyGUI,dlsteuer/ChocolateyGUI,sayedihashimi/ChocolateyGUI