Bump the dotnet group with 2 updates

Bumps Microsoft.Extensions.Configuration from 9.0.7 to 9.0.9
Bumps Microsoft.Extensions.Configuration.UserSecrets from 9.0.7 to 9.0.9

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Configuration
  dependency-version: 9.0.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: Microsoft.Extensions.Configuration.UserSecrets
  dependency-version: 9.0.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
...

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

Author: dependabot[bot]

docs/ai/quickstarts/snippets/build-chat-app/openai/ExtensionsOpenAI.csproj

@@ -9,8 +9,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="9.4.0-preview.1.25207.5" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.7" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="9.0.7" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.9" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="9.0.9" />
   </ItemGroup>
 
 </Project>