Update dependency Nerdbank.GitVersioning to 3.9.50

Author: renovate[bot]

Directory.Build.props

@@ -54,7 +54,7 @@
 
   <ItemGroup>
     <!--<Compile Update="**\*.cs" DependentUpon="I%(Filename).cs" />-->
-    <PackageReference Include="Nerdbank.GitVersioning" Version="3.7.115" PrivateAssets="all" />
+    <PackageReference Include="Nerdbank.GitVersioning" Version="3.9.50" PrivateAssets="all" />
     <PackageReference Include="stylecop.analyzers" Version="1.2.0-beta.556" PrivateAssets="all" />
     <PackageReference Include="Roslynator.Analyzers" Version="4.14.1" PrivateAssets="All" />
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)stylecop.json" Link="stylecop.json" />