message: Back to Qt 5.12.x release
diff: @@ -8,7 +8,7 @@ on: [push, pull_request]
  env:
  BUILD_TYPE: Release
  - QT_VERSION: 5.15.2
  + QT_VERSION: 5.12.10
  MACOSX_DEPLOYMENT_TARGET: 10.12
  CCACHE_VERSION: 3.7.7
  FEATURES: -DUSE_VTK=ON -DBUILD_GPL_PLUGINS=ON
  