Bump the dotnet group across 1 directory with 2 updates

Bumps the dotnet group with 2 updates in the /docs/core/docker/snippets/7.0/Worker directory: [Microsoft.Extensions.Hosting](https://github.com/dotnet/runtime) and [Microsoft.NET.Build.Containers](https://github.com/dotnet/sdk-container-builds).


Updates `Microsoft.Extensions.Hosting` from 8.0.0 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.0...v9.0.0)

Updates `Microsoft.NET.Build.Containers` from 8.0.401 to 9.0.101
- [Release notes](https://github.com/dotnet/sdk-container-builds/releases)
- [Commits](https://github.com/dotnet/sdk-container-builds/commits)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Hosting
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dotnet
- dependency-name: Microsoft.NET.Build.Containers
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dotnet
...

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

Author: dependabot[bot]

docs/core/docker/snippets/7.0/Worker/DotNet.ContainerImage.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
-    <PackageReference Include="Microsoft.NET.Build.Containers" Version="8.0.401" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
+    <PackageReference Include="Microsoft.NET.Build.Containers" Version="9.0.101" />
   </ItemGroup>
 </Project>