build(deps): bump FluentAssertions from 8.0.1 to 8.1.1

Bumps [FluentAssertions](https://github.com/fluentassertions/fluentassertions) from 8.0.1 to 8.1.1.
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/main/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@8.0.1...8.1.1)

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

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

Author: dependabot[bot]

test/Cnblogs.DashScope.Sdk.UnitTests/Cnblogs.DashScope.Sdk.UnitTests.csproj

@@ -10,7 +10,7 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="FluentAssertions" Version="8.0.1" />
+        <PackageReference Include="FluentAssertions" Version="8.1.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
         <PackageReference Include="NSubstitute" Version="5.3.0" />
         <PackageReference Include="System.Linq.Async" Version="6.0.1" />