Bump FluentAssertions from 6.12.0 to 6.12.1 (#103)

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 6.12.0 to 6.12.1.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/develop/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@6.12.0...6.12.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Test/SystemTests/BSN.IpTables.Api.SystemTest/BSN.IpTables.Api.SystemTest.csproj

@@ -26,7 +26,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="FluentAssertions" Version="6.12.1" />
     <PackageReference Include="LiquidTestReports.Markdown" Version="1.0.9" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="6.0.30" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />