devel/shiboken6: Pass BINARY_ALIAS for Sphix only if DOCS enabled
env: NO_DEPENDS=yes USER=root UID=0 GID=0
> Missing "sphinx-build-3.11" to create a binary alias at "/wrkdirs/usr/ports/devel/shiboken6/work-py311/.bin/sphinx-build"
- Error code 1
Stop.