chore(deps): Bump the all group with 3 updates

Bumps the all group with 3 updates: [FluentAssertions](https://github.com/fluentassertions/fluentassertions), [MSTest.TestAdapter](https://github.com/microsoft/testfx) and [MSTest.TestFramework](https://github.com/microsoft/testfx).


Updates `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)

Updates `MSTest.TestAdapter` from 3.8.0 to 3.8.2
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.8.0...v3.8.2)

Updates `MSTest.TestFramework` from 3.8.0 to 3.8.2
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.8.0...v3.8.2)

---
updated-dependencies:
- dependency-name: FluentAssertions
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
- dependency-name: MSTest.TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
- dependency-name: MSTest.TestFramework
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
...

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

Author: dependabot[bot]

src/tests/OpenAI.IntegrationTests/OpenAI.IntegrationTests.csproj

@@ -14,9 +14,9 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.8.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.8.0" />
-    <PackageReference Include="FluentAssertions" Version="8.0.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.8.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.8.2" />
+    <PackageReference Include="FluentAssertions" Version="8.1.1" />
     <PackageReference Include="NUnit" Version="4.3.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
   </ItemGroup>