feat(CI): dynamically calculate thread count for build process (#1510)
feat(CI): dynamically calculate thread count for build process (#1510)

Dynamically calculate the thread count for the build process by reading `/proc/cpuinfo` in order to be more independent from the environment.
Nefertumm/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,mygithome002/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,azerothcore/azerothcore-wotlk,mygithome002/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,azerothcore/azerothcore-wotlk,mygithome002/azerothcore-wotlk,Helias/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,Helias/azerothcore-wotlk,Helias/azerothcore-wotlk,mygithome002/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,mygithome002/azerothcore-wotlk,azerothcore/azerothcore-wotlk,azerothcore/azerothcore-wotlk,Nefertumm/azerothcore-wotlk,mygithome002/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,ShinDarth/azerothcore-wotlk,jokerlfm/azerothcore-wotlk,Helias/azerothcore-wotlk,Helias/azerothcore-wotlk,Helias/azerothcore-wotlk,azerothcore/azerothcore-wotlk,azerothcore/azerothcore-wotlk