build(deps): bump FluentAssertions in /integrationtests (#2619)

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 5.6.0 to 5.10.3.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/develop/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@5.6.0...5.10.3)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

integrationtests/IntegrationTests.Shared.Tests/IntegrationTests.Shared.Tests.csproj

@@ -23,7 +23,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Xunit.StaFact" Version="1.0.37" />
-    <PackageReference Include="FluentAssertions" Version="5.6.0" />
+    <PackageReference Include="FluentAssertions" Version="5.10.3" />
     <PackageReference Include="ReactiveUI.Testing" Version="*" />
   </ItemGroup>