gh-115167: Exclude vcruntime140_threads.dll from Windows build output (GH-115176)

Author: adang1345

Misc/NEWS.d/next/Build/2024-02-08-19-36-20.gh-issue-115167.LB9nDK.rst

@@ -0,0 +1 @@
+Avoid vendoring ``vcruntime140_threads.dll`` when building with Visual Studio 2022 version 17.8.

PCbuild/pyproject.props

@@ -250,7 +250,7 @@ public override bool Execute() {
       <VCRuntimeDLL Include="$(VCRuntimeDLL)" />
     </ItemGroup>
     <ItemGroup Condition="$(VCInstallDir) != '' and $(VCRuntimeDLL) == ''">
-      <VCRuntimeDLL Include="$(VCRedistDir)\Microsoft.VC*.CRT\vcruntime*.dll" />
+      <VCRuntimeDLL Include="$(VCRedistDir)\Microsoft.VC*.CRT\vcruntime*.dll" Exclude="$(VCRedistDir)\Microsoft.VC*.CRT\vcruntime*_threads.dll" />
     </ItemGroup>
 
     <Warning Text="vcruntime*.dll not found under $(VCRedistDir)." Condition="@(VCRuntimeDLL) == ''" />