Bump Microsoft.Extensions.Hosting.Abstractions in /src

Bumps [Microsoft.Extensions.Hosting.Abstractions](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.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -21,7 +21,7 @@
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.DependencyModel" Version="8.0.2" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
-    <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.1" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="9.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Hosting.WindowsServices" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.TimeProvider.Testing" Version="8.10.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />