Update dependency Soenneker.Tests.FixturedUnit to 4.0.2226

Author: renovate[bot]

test/Soenneker.Git.LibGit2Sharp.Tests/Soenneker.Git.LibGit2Sharp.Tests.csproj

@@ -22,7 +22,7 @@
     </ItemGroup>
 
     <ItemGroup><PackageReference Include="Soenneker.Utils.Test" Version="4.0.304" />
-        <PackageReference Include="Soenneker.Tests.FixturedUnit" Version="4.0.2221" />
+        <PackageReference Include="Soenneker.Tests.FixturedUnit" Version="4.0.2226" />
         <PackageReference Include="xUnit.v3" Version="3.2.2" />
     </ItemGroup>