Update MicrosoftBuildMinimumVersion to 17.8.43

Co-authored-by: marcpopMSFT <12663534+marcpopMSFT@users.noreply.github.com>

Author: Copilot

eng/Versions.props

@@ -132,7 +132,7 @@
           so target one that matches the version in minimumMSBuildVersion.
 
           This avoids the need to juggle references to packages that have been updated in newer MSBuild. -->
-    <MicrosoftBuildMinimumVersion Condition="'$(DotNetBuildFromSource)' != 'true'">17.8.27</MicrosoftBuildMinimumVersion>
+    <MicrosoftBuildMinimumVersion Condition="'$(DotNetBuildFromSource)' != 'true'">17.8.43</MicrosoftBuildMinimumVersion>
     <MicrosoftBuildFrameworkPackageVersion>$(MicrosoftBuildMinimumVersion)</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildRuntimePackageVersion>$(MicrosoftBuildMinimumVersion)</MicrosoftBuildRuntimePackageVersion>
     <MicrosoftBuildLocalizationPackageVersion>17.11.48-servicing-25466-05</MicrosoftBuildLocalizationPackageVersion>