Bump FluentAssertions from 6.12.1 to 6.12.2

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 6.12.1 to 6.12.2.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/develop/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@6.12.1...6.12.2)

---
updated-dependencies:
- dependency-name: FluentAssertions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Tests/Directory.Packages.props

@@ -3,7 +3,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="FluentAssertions" Version="6.12.1" />
+    <PackageVersion Include="FluentAssertions" Version="6.12.2" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.10" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />