harfbuz: Allow python3 only Windows builds

3 jobs for harfbuzz-python3-only-builds in 54 minutes and 45 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Preparation
passed #68382
manifest

00:00:22

 
  Build
passed #68383
cerbero deps fedora x86_64

00:43:58

 
  Full Builds
passed #68384
build cerbero fedora x86_64

00:10:24