Bump FluentAssertions from 6.6.0 to 6.7.0 (#145)

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 6.6.0 to 6.7.0. - [Release notes](https://github.com/fluentassertions/fluentassertions/releases) - [Changelog](https://github.com/fluentassertions/fluentassertions/blob/develop/AcceptApiChanges.ps1) - [Commits](fluentassertions/fluentassertions@6.6.0...6.7.0) --- updated-dependencies: - dependency-name: FluentAssertions dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Directory.Build.props

@@ -11,7 +11,7 @@
  </PropertyGroup>
 
  <ItemGroup Condition="$(MSBuildProjectName.EndsWith('Tests'))">
- <PackageReference Include="FluentAssertions" Version="6.6.0" />
+ <PackageReference Include="FluentAssertions" Version="6.7.0" />
  <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
  <PackageReference Include="xunit" Version="2.4.1" />
  <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">