Merge remote-tracking branches 'upstream/dependabot/nuget/Microsoft.Build-17.3.1' and 'upstream/dependabot/nuget/Microsoft.Build.Utilities.Core-17.3.1'

Author: rainersigwald

Directory.Packages.props

@@ -3,8 +3,8 @@
         <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     </PropertyGroup>
     <ItemGroup>
-        <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.2.0" />
-        <PackageVersion Include="Microsoft.Build" Version="17.2.0" />
+        <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.3.1" />
+        <PackageVersion Include="Microsoft.Build" Version="17.3.1" />
         <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
         <PackageVersion Include="Microsoft.VisualStudioEng.MicroBuild.Core" Version="1.0.0" />
         <PackageVersion Include="MSTest.TestAdapter" Version="2.2.10" />