Bump Microsoft.Extensions.Hosting from 8.0.1 to 9.0.0 in /coster

Bumps [Microsoft.Extensions.Hosting](https://github.com/dotnet/runtime) 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)

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

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

coster/Directory.Packages.props

@@ -11,7 +11,7 @@
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageVersion Include="xunit.analyzers" Version="1.17.0" />
     <PackageVersion Include="coverlet.collector" Version="6.0.2" />
-    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
     <GlobalPackageReference Include="Meziantou.Analyzer" Version="2.0.180" />
     <GlobalPackageReference Include="AsyncFixer" Version="1.6.0" />
     <GlobalPackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.12.19" />