Inkscape build toolset v0.67

Most notable changes in this release are

• minor refactorings and updates

build info

• workflow run release #77
• sha256 is 19dcfdfdb22974c4884efb168a4120af64e3f3e7e4bbcb621b8f9bd58fd8c356
• important parameters

  SYS_MACOS_VER = 11.6.8
  SYS_SDK_VER = 10.13
  VERSION = 0.67
  VER_DIR = /Users/Shared/work/mibap-0.67
  WRK_DIR = /Users/Shared/work