Bump Microsoft.Extensions.Azure (#43817)

Bumps the dotnet group in /docs/azure/sdk/snippets/aspnetcore-guidance/BlazorSample with 1 update: [Microsoft.Extensions.Azure](https://github.com/Azure/azure-sdk-for-net).


Updates `Microsoft.Extensions.Azure` from 1.8.0 to 1.9.0
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Microsoft.Extensions.Azure_1.8.0...Microsoft.Extensions.Azure_1.9.0)

---
updated-dependencies:
- 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/aspnetcore-guidance/BlazorSample/BlazorSample.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="Azure.Messaging.ServiceBus" Version="7.18.2" />
 	  <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.7.0" />
 	  <PackageReference Include="Azure.Storage.Blobs" Version="12.23.0" />
-	  <PackageReference Include="Microsoft.Extensions.Azure" Version="1.8.0" />
+	  <PackageReference Include="Microsoft.Extensions.Azure" Version="1.9.0" />
   </ItemGroup>
 
 </Project>