Improve logic in macos.yml for deciding when to code sign macOS builds
Improve logic in macos.yml for deciding when to code sign macOS builds

stinsonga/atom,andrewleverette/atom,t9md/atom,atom/atom,atom/atom,andrewleverette/atom,Mokolea/atom,atom/atom,Mokolea/atom,liuderchi/atom,andrewleverette/atom,stinsonga/atom,stinsonga/atom,Mokolea/atom,brettle/atom,PKRoma/atom,PKRoma/atom,t9md/atom,liuderchi/atom,brettle/atom,PKRoma/atom,liuderchi/atom,stinsonga/atom,liuderchi/atom,t9md/atom,brettle/atom