chore(deps): update dependency fluentassertions to v6.9.0 (#407)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -11,7 +11,7 @@
         <PackageVersion Include="CommandLineParser" Version="2.9.1"/>
         <PackageVersion Include="coverlet.msbuild" Version="3.2.0"/>
         <PackageVersion Include="Docker.DotNet" Version="3.125.12"/>
-        <PackageVersion Include="FluentAssertions" Version="6.8.0"/>
+        <PackageVersion Include="FluentAssertions" Version="6.9.0"/>
         <PackageVersion Include="Microsoft.AspNet.WebApi.Client" Version="5.2.9"/>
         <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="7.0.0"/>
         <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0"/>