Update NB.GV to 2.2.13

This gets the build working (partially) on Linux

Author: AArnott

src/Directory.Build.props

@@ -11,7 +11,7 @@
     <RepositoryUrl>https://github.com/aarnott/CodeGeneration.Roslyn</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <IsPackable Condition=" $(MSBuildProjectName.Contains('Test')) ">false</IsPackable>
-    <NerdbankGitVersioningVersion>2.1.23</NerdbankGitVersioningVersion>
+    <NerdbankGitVersioningVersion>2.2.13</NerdbankGitVersioningVersion>
   </PropertyGroup>
 
   <ItemGroup>