[ci skip] tweak upgradeGemStone script
[ci skip] tweak upgradeGemStone script

marianopeck/gsDevKitHome,marianopeck/gsDevKitHome,rjsargent/gsDevKitHome,rjsargent/gsDevKitHome,GsDevKit/gsDevKitHome,GsDevKit/gsDevKitHome,LisaAlmarode/gsDevKitHome,LisaAlmarode/gsDevKitHome