This will ensure that the next builds of these third-party libraries for macOS will
be built with 11.0 as the minimum deployment target, which conforms to the
VFX reference platform for CY2023 and CY2024.
#rb none
[CL 27563997 by matt johnson in ue5-main branch]
Dynamic libraries of OpenSubdiv are not generated for Windows and
were unused on Linux and Mac, so the build scripts now disable
generating them on all platforms.
The toolchain on Linux was also updated to the new current version.
#jira UE-190064
#rb none
[CL 26830682 by matt johnson in ue5-main branch]
