chore(deps): update dependency fluentassertions to v6.12.0

Author: renovate[bot]

Directory.Packages.props

@@ -25,7 +25,7 @@
 
 	<ItemGroup>
 		<PackageVersion Include="AutoFixture.Xunit2" Version="4.18.0" />
-		<PackageVersion Include="FluentAssertions" Version="6.11.0" />
+		<PackageVersion Include="FluentAssertions" Version="6.12.0" />
 		<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
 		<PackageVersion Include="Xunit.SkippableFact" Version="1.4.13" />
 		<PackageVersion Include="xunit" Version="2.5.0" />