Bump the dotnet group with 2 updates (#48858)

Bumps Microsoft.Extensions.AI from 9.9.0 to 9.9.1
Bumps OllamaSharp from 5.3.6 to 5.4.7

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.AI
  dependency-version: 9.9.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: OllamaSharp
  dependency-version: 5.4.7
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/ai/snippets/microsoft-extensions-ai/ConsoleAI.ConsumeClientMiddleware/ConsoleAI.ConsumeClientMiddleware.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0-rc.1.25451.107" />
-    <PackageReference Include="OllamaSharp" Version="5.3.6" />
+    <PackageReference Include="OllamaSharp" Version="5.4.7" />
     <ProjectReference Include="..\AI.Shared\AI.Shared.csproj" />
   </ItemGroup>