[clang] [clang] workaround libclang-python windows CI failures (PR #207875)

[Matheus Izvekov via cfe-commits]

mizvekov wrote:

@DeinAlptraum I created https://github.com/llvm/llvm-project/pull/208035 just so we can look at the failure again.

https://github.com/llvm/llvm-project/pull/207875