Bump the dotnet group across 1 directory with 2 updates

Bumps the dotnet group with 2 updates in the /docs/core/diagnostics/snippets/health-checks directory: [Microsoft.Extensions.Diagnostics.HealthChecks.ResourceUtilization](https://github.com/dotnet/extensions) and [Microsoft.Extensions.Hosting](https://github.com/dotnet/runtime).


Updates `Microsoft.Extensions.Diagnostics.HealthChecks.ResourceUtilization` from 8.9.1 to 9.0.0
- [Release notes](https://github.com/dotnet/extensions/releases)
- [Commits](dotnet/extensions@v8.9.1...v9.0.0)

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)

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

Signed-off-by: dependabot[bot] <support@github.com>

docs/core/diagnostics/snippets/health-checks/health-checks.csproj

@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks.ResourceUtilization" Version="8.9.1" />
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks.ResourceUtilization" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
   </ItemGroup>
 
 </Project>