[llvm] [llvm][Support] Add UNIX socket support (PR #73603)

[Michael Spencer via llvm-commits]

Bigcheese wrote:

> We are currently using WinSDK 10.0.16299.0. What version would you recommend we move to?

I think 10.0.17134.0 which is included in VS2017 ver.15.7.

However, the minimum currently supported VS is VS2019 as of https://reviews.llvm.org/D114639, which means at least Windows SDK 10.0.18362.0.

https://github.com/llvm/llvm-project/pull/73603