Bump the dotnet group (#43470)

Bumps the dotnet group in /docs/core/extensions/snippets/localization/example with 2 updates: [Microsoft.Extensions.Hosting](https://github.com/dotnet/runtime) and [Microsoft.Extensions.Localization](https://github.com/dotnet/aspnetcore).


Updates `Microsoft.Extensions.Hosting` from 8.0.1 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.1...v9.0.0)

Updates `Microsoft.Extensions.Localization` from 8.0.10 to 9.0.0
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v8.0.10...v9.0.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/core/extensions/snippets/localization/example/example.csproj

@@ -9,8 +9,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Localization" Version="8.0.10" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Localization" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>