Bump Azure.Messaging.ServiceBus (#44461)

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


Updates `Azure.Messaging.ServiceBus` from 7.18.2 to 7.18.3
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Messaging.ServiceBus_7.18.2...Azure.Messaging.ServiceBus_7.18.3)

---
updated-dependencies:
- dependency-name: Azure.Messaging.ServiceBus
  dependency-type: direct:production
  update-type: version-update:semver-patch
  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

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Messaging.ServiceBus" Version="7.18.2" />
+    <PackageReference Include="Azure.Messaging.ServiceBus" Version="7.18.3" />
 	  <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="1.9.0" />