chore(deps): Bump the all group with 2 updates

Bumps the all group with 2 updates: [Tiktoken](https://github.com/tryAGI/Tiktoken) and [FluentAssertions](https://github.com/fluentassertions/fluentassertions).


Updates `Tiktoken` from 2.0.3 to 2.1.1
- [Commits](https://github.com/tryAGI/Tiktoken/commits)

Updates `FluentAssertions` from 6.12.1 to 6.12.2
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/develop/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@6.12.1...6.12.2)

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

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

src/libs/OpenAI/OpenAI.csproj

@@ -23,7 +23,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Tiktoken" Version="2.0.3" />
+    <PackageReference Include="Tiktoken" Version="2.1.1" />
     <PackageReference Include="System.Text.Json" Version="9.0.0-rc.2.24473.5" />
   </ItemGroup>
 

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

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.6.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.6.2" />
-    <PackageReference Include="FluentAssertions" Version="6.12.1" />
+    <PackageReference Include="FluentAssertions" Version="6.12.2" />
     <PackageReference Include="NUnit" Version="4.2.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
   </ItemGroup>