Bump the dotnet group with 1 update (#46876)

Bumps Microsoft.Extensions.Azure from 1.11.0 to 1.12.0

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Azure
  dependency-version: 1.12.0
  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/how-to/snippets/hosted-app-auth/hosted-app-auth.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.6" />
     <PackageReference Include="Microsoft.Extensions.AI" Version="9.6.0" />
     <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="9.4.0-preview.1.25207.5" />
-    <PackageReference Include="Microsoft.Extensions.Azure" Version="1.11.0" />
+    <PackageReference Include="Microsoft.Extensions.Azure" Version="1.12.0" />
   </ItemGroup>
 
 </Project>