Bump Microsoft.Extensions.Hosting

Bumps the dotnet group in /docs/core/extensions/snippets/workers/cloud-service with 1 update: [Microsoft.Extensions.Hosting](https://github.com/dotnet/runtime).


Updates `Microsoft.Extensions.Hosting` from 9.0.3 to 9.0.4
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v9.0.3...v9.0.4)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Hosting
  dependency-version: 9.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/core/extensions/snippets/workers/cloud-service/App.CloudService.csproj

@@ -7,7 +7,7 @@
     <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.3" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.4" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
   </ItemGroup>
 </Project>