Version bump of libvips to 7.42.3
Version bump of libvips to 7.42.3

Rename version vars to major, minor and patch

lovell/sharp,mhirsch/sharp,leiyangyou/sharp,cmtt/sharp,papandreou/sharp,mdimitrov/sharp,cmtt/sharp,mhirsch/sharp,lovell/sharp,digital-flowers/sharp-win32,leiyangyou/sharp,papandreou/sharp,mcanthony/sharp,cmtt/sharp,dtest/sharp,mdimitrov/sharp,pporada-gl/sharp,digital-flowers/sharp-win32,lovell/sharp,mdimitrov/sharp,brandonaaron/sharp,philip8728/sharp,philip8728/sharp,mcanthony/sharp,mdimitrov/sharp,mcanthony/sharp,mhirsch/sharp,philip8728/sharp,leiyangyou/sharp,digital-flowers/sharp-win32,papandreou/sharp,mcanthony/sharp,brandonaaron/sharp,dtest/sharp,chrisriley/sharp,digital-flowers/sharp-win32,pporada-gl/sharp,pporada-gl/sharp,dtest/sharp,brandonaaron/sharp,pporada-gl/sharp,philip8728/sharp,papandreou/sharp,digital-flowers/sharp-win32,mcanthony/sharp,dtest/sharp,pporada-gl/sharp,mhirsch/sharp,leiyangyou/sharp,philip8728/sharp,chrisriley/sharp,lovell/sharp,papandreou/sharp,digital-flowers/sharp-win32,brandonaaron/sharp,dtest/sharp,digital-flowers/sharp-win32,lovell/sharp,cmtt/sharp,brandonaaron/sharp,lovell/sharp,chrisriley/sharp,chrisriley/sharp,chrisriley/sharp,leiyangyou/sharp,mdimitrov/sharp