Bump the dotnet group with 2 updates (#54080)

Bumps Microsoft.Extensions.AI from 10.5.2 to 10.6.0
Bumps Microsoft.Extensions.AI.OpenAI from 10.5.2 to 10.6.0

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.AI
  dependency-version: 10.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Microsoft.Extensions.AI.OpenAI
  dependency-version: 10.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

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Author: dependabot[bot]

docs/ai/vector-stores/snippets/conceptual/VectorStoreSnippets.csproj

@@ -9,8 +9,8 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Search.Documents" Version="12.0.0" />
-    <PackageReference Include="Microsoft.Extensions.AI" Version="10.5.2" />
-    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="10.5.2" />
+    <PackageReference Include="Microsoft.Extensions.AI" Version="10.6.0" />
+    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="10.6.0" />
     <PackageReference Include="Microsoft.SemanticKernel.Connectors.AzureAISearch" Version="1.*-*" />
     <PackageReference Include="Microsoft.SemanticKernel.Connectors.InMemory" Version="1.*-*" />
     <PackageReference Include="Microsoft.SemanticKernel.Connectors.Qdrant" Version="1.*-*" />