chore(deps): update dependency fluentassertions to v8 (#157)

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

Author: renovate[bot]

src/directory.packages.props

@@ -24,7 +24,7 @@
 
   <ItemGroup>
     <PackageVersion Include="Tmds.ExecFunction" Version="0.8.0" />
-    <PackageVersion Include="FluentAssertions" Version="6.12.2" />
+    <PackageVersion Include="FluentAssertions" Version="8.2.0" />
     <PackageVersion Include="xunit" Version="2.4.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.5" />
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />