Bump FluentAssertions from 7.0.0 to 8.0.1 in /Source (#4518)

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 7.0.0 to 8.0.1.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/main/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@7.0.0...8.0.1)

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

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

Author: dependabot[bot]

Source/Csla.test/Csla.Tests.csproj

@@ -47,7 +47,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="7.0.0" />
+    <PackageReference Include="FluentAssertions" Version="8.0.1" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.8.0" />