fix(CI/macos): reduce cache size (#3427)
fix(CI/macos): reduce cache size (#3427)

Prevent macOS to take too much space (we are limited to 5GB in total)
jokerlfm/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,Helias/azerothcore-wotlk,mygithome002/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,mygithome002/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,mygithome002/azerothcore-wotlk,Helias/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,Helias/azerothcore-wotlk,azerothcore/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,Helias/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,azerothcore/azerothcore-wotlk,Helias/azerothcore-wotlk,mygithome002/azerothcore-wotlk,azerothcore/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,mygithome002/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,Helias/azerothcore-wotlk,mygithome002/azerothcore-wotlk,azerothcore/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,azerothcore/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,azerothcore/azerothcore-wotlk