Bump Microsoft.Build from 17.2.0 to 17.3.1

Bumps [Microsoft.Build](https://github.com/dotnet/msbuild) from 17.2.0 to 17.3.1.
- [Release notes](https://github.com/dotnet/msbuild/releases)
- [Commits](https://github.com/dotnet/msbuild/commits)

---
updated-dependencies:
- dependency-name: Microsoft.Build
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Directory.Packages.props

@@ -4,7 +4,7 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.2.0" />
-        <PackageVersion Include="Microsoft.Build" Version="17.2.0" />
+        <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" />