chore(deps): update dependency csharpier.msbuild to 1.2.1 (#387)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -4,7 +4,7 @@
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <GlobalPackageReference Include="CSharpier.MSBuild" Version="1.0.1" />
+    <GlobalPackageReference Include="CSharpier.MSBuild" Version="1.2.1" />
     <GlobalPackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.3.4" />
     <GlobalPackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.100" />
     <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />