Inkscape build toolset v0.59

Most notable changes in this release are

• fix previously broken tests

build info

• workflow run mibap #53
• sha256 is f266675385d5da80154ea91dd336472568fb9a5a4270fa850c27cf2aec21cbc9
• important parameters

  SYS_MACOS_VER = 10.15.7
  SYS_SDK_VER = 10.13
  SYS_XCODE_VER = 12.4
  VERSION = 0.59
  WRK_DIR = /Users/Shared/work