[CMake] Enable building with UBSAN + clang-cl on windows.

Currently both ASAN and UBSAN are supported on Windows but only ASAN is enabled in LLVM build system. This patch enables the option to build LLVM with UBSAN on windows.

Tested with clang-cl released in LLVM16.

Submitting on behalf of @dwang.

Reviewed by: andrewng, pgousseau

Differential Revision: https://reviews.llvm.org/D151511