New comment by rmccask on void-packages repository

https://github.com/void-linux/void-packages/pull/21481#issuecomment-626209796

Comment:
qt5-webengine 5.14.2 is using getAllFieldPositions in their latest version.  This function is gone in ICU 67.1.  I am changing this PR to ICU 66.1.  I will reattempt 67.1 later.