Bump the dotnet group (#45482)

Bumps the dotnet group in /docs/azure/sdk/snippets/authentication/best-practices with 2 updates: [Azure.Identity](https://github.com/Azure/azure-sdk-for-net) and [Microsoft.Extensions.Azure](https://github.com/Azure/azure-sdk-for-net).


Updates `Azure.Identity` from 1.13.2 to 1.13.1
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Identity_1.13.2...Azure.Identity_1.13.1)

Updates `Microsoft.Extensions.Azure` from 1.10.0 to 1.11.0
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Microsoft.Extensions.Azure_1.10.0...Microsoft.Extensions.Azure_1.11.0)

---
updated-dependencies:
- dependency-name: Azure.Identity
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: Microsoft.Extensions.Azure
  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/azure/sdk/snippets/authentication/Directory.Packages.props

@@ -7,7 +7,7 @@
     <PackageVersion Include="Azure.AI.OpenAI" Version="2.1.0" />
     <PackageVersion Include="Microsoft.Extensions.AI" Version="9.3.0-preview.1.25114.11" />
     <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="9.3.0-preview.1.25114.11" />
-    <PackageVersion Include="Microsoft.Extensions.Azure" Version="1.10.0" />
+    <PackageVersion Include="Microsoft.Extensions.Azure" Version="1.11.0" />
     <PackageVersion Include="Azure.Identity" Version="1.13.2" />
     <PackageVersion Include="Azure.Identity.Broker" Version="1.2.0" />
     <PackageVersion Include="Azure.Security.KeyVault.Secrets" Version="4.7.0" />