Bump System.Threading.RateLimiting

Bumps the dotnet group in /docs/core/extensions/snippets/ai/ConsoleAI.CustomClientMiddle with 1 update: [System.Threading.RateLimiting](https://github.com/dotnet/runtime).


Updates `System.Threading.RateLimiting` from 9.0.0 to 9.0.1
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v9.0.0...v9.0.1)

---
updated-dependencies:
- dependency-name: System.Threading.RateLimiting
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
...

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

Author: dependabot[bot]

docs/core/extensions/snippets/ai/ConsoleAI.CustomClientMiddle/ConsoleAI.CustomClientMiddle.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Threading.RateLimiting" Version="9.0.0" />
+    <PackageReference Include="System.Threading.RateLimiting" Version="9.0.1" />
   </ItemGroup>
 
   <ItemGroup>