Bump the dotnet group with 2 updates (#48515)

Bumps Microsoft.Extensions.AI from 9.8.0 to 9.9.0
Bumps OllamaSharp from 5.3.6 to 5.4.2

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.AI
  dependency-version: 9.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: OllamaSharp
  dependency-version: 5.4.2
  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/ConsoleAI.csproj

@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.AI" Version="9.8.0" />
-    <PackageReference Include="OllamaSharp" Version="5.3.6" />
+    <PackageReference Include="Microsoft.Extensions.AI" Version="9.9.0" />
+    <PackageReference Include="OllamaSharp" Version="5.4.2" />
   </ItemGroup>
 
   <ItemGroup>