[llvm] [HLSL] Migrate pre-commit HLSL CI to Windows (and off Beanz's closet Mac) (PR #226312)

[Helena Kotas via llvm-commits]

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@@ -21,10 +21,9 @@ jobs:
       fail-fast: false
       matrix:
         runs-on:
-          - hlsl-macos
+          - windows-2022
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hekota wrote:

This will need to be changed to self-hosted runner.

https://github.com/llvm/llvm-project/pull/226312