Add test project for GitVersion.Cli.Generator

Introduced a new test project, `GitVersion.Cli.Generator.Tests`, to support unit testing for `GitVersion.Cli.Generator`. Updated solution and package dependency files to include necessary references and dependencies. This ensures better test coverage and maintains consistency across projects.
updates dependency versions

updates Microsoft.Extensions.Logging.Abstractions to 9.0.6 and Polly to 8.6.1

this brings the packages up to date for compatibility and potentially includes bug fixes or performance improvements.

Author: arturcic

new-cli/Directory.Packages.props

@@ -7,11 +7,21 @@
     <PackageVersion Include="LibGit2Sharp" Version="0.31.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing" Version="1.1.2" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.7" />
-    <PackageVersion Include="Polly" Version="8.6.0" />
+    <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.7" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageVersion Include="NUnit" Version="4.3.2" />
+    <PackageVersion Include="NUnit.Analyzers" Version="4.9.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageVersion>
+    <PackageVersion Include="NUnit3TestAdapter" Version="5.0.0" />
+    <PackageVersion Include="Polly" Version="8.6.1" />
     <PackageVersion Include="Roslynator.Analyzers" Version="4.13.1" />
     <PackageVersion Include="Roslynator.Formatting.Analyzers" Version="4.13.1" />
     <!-- specific packages -->
@@ -24,4 +34,4 @@
     <PackageVersion Include="System.IO.Abstractions" Version="22.0.15" />
     <PackageVersion Include="System.Text.Json" Version="9.0.7" />
   </ItemGroup>
-</Project>
+</Project>

new-cli/GitVersion.Cli.Generator.Tests/GitVersion.Cli.Generator.Tests.csproj

@@ -0,0 +1,34 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <RootNamespace>GitVersion.Cli.Generator.Tests</RootNamespace>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
+        <PackageReference Include="System.CommandLine" />
+
+        <PackageReference Include="Microsoft.CSharp" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" PrivateAssets="all" />
+        <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" PrivateAssets="all" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" />
+        <PackageReference Include="NUnit" />
+        <PackageReference Include="NUnit.Analyzers">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="NUnit3TestAdapter" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="NUnit.Framework" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\GitVersion.Cli.Generator\GitVersion.Cli.Generator.csproj" />
+        <ProjectReference Include="..\GitVersion.Common.Command\GitVersion.Common.Command.csproj" />
+    </ItemGroup>
+
+</Project>

new-cli/GitVersion.slnx

@@ -27,6 +27,7 @@
     <File Path="Directory.Packages.props" />
     <File Path="nuget.config" />
   </Folder>
+  <Project Path="GitVersion.Cli.Generator.Tests/GitVersion.Cli.Generator.Tests.csproj" />
   <Project Path="GitVersion.Cli.Generator/GitVersion.Cli.Generator.csproj" />
   <Project Path="GitVersion.Cli/GitVersion.Cli.csproj" />
   <Project Path="GitVersion.Common.Command/GitVersion.Common.Command.csproj" />