Merge the microbuild branch from https://github.com/aarnott/Library.Template

Specifically, this merges [56aa0b3 from that repo](AArnott/Library.Template@56aa0b3).

Author: AArnott

.config/dotnet-tools.json

@@ -17,7 +17,7 @@
       "rollForward": false
     },
     "nbgv": {
-      "version": "3.7.112",
+      "version": "3.7.115",
       "commands": [
         "nbgv"
       ],

Directory.Packages.props

@@ -46,8 +46,8 @@
   <ItemGroup Label="Library.Template">
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="Microsoft.VisualStudio.Internal.MicroBuild.NonShipping" Version="$(MicroBuildVersion)" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.0" />
-    <PackageVersion Include="xunit" Version="2.9.0" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.1" />
+    <PackageVersion Include="xunit" Version="2.9.1" />
   </ItemGroup>
   <ItemGroup>
     <GlobalPackageReference Include="Microsoft.CodeAnalysis.ResxSourceGenerator" Version="$(CodeAnalysisAnalyzerVersion)" />
@@ -57,7 +57,7 @@
     <GlobalPackageReference Include="DotNetAnalyzers.DocumentationAnalyzers" Version="1.0.0-beta.59" />
     <GlobalPackageReference Include="Microsoft.VisualStudio.Internal.MicroBuild.VisualStudio" Version="$(MicroBuildVersion)" />
     <!-- The condition works around https://github.com/dotnet/sdk/issues/44951 -->
-    <GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.7.112" Condition="!('$(TF_BUILD)'=='true' and '$(dotnetformat)'=='true')" />
+    <GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.7.115" Condition="!('$(TF_BUILD)'=='true' and '$(dotnetformat)'=='true')" />
     <GlobalPackageReference Include="PolySharp" Version="1.15.0" />
     <GlobalPackageReference Include="StyleCop.Analyzers.Unstable" Version="1.2.0.556" />
   </ItemGroup>