Bump Microsoft.Extensions.Http.Resilience

Bumps the dotnet group in /docs/fundamentals/snippets/healthz/Healthz.ServiceDefaults with 1 update: [Microsoft.Extensions.Http.Resilience](https://github.com/dotnet/extensions).


Updates `Microsoft.Extensions.Http.Resilience` from 8.8.0 to 8.9.1
- [Release notes](https://github.com/dotnet/extensions/releases)
- [Commits](dotnet/extensions@v8.8.0...v8.9.1)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Http.Resilience
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

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

docs/fundamentals/snippets/healthz/Healthz.ServiceDefaults/Healthz.ServiceDefaults.csproj

@@ -10,7 +10,7 @@
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
 
-    <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="8.8.0" />
+    <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="8.9.1" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="8.2.0" />
     <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.9.0" />