perf(deps): bump prometheus-net.AspNetCore.HealthChecks (#183)

Bumps [prometheus-net.AspNetCore.HealthChecks](https://github.com/prometheus-net/prometheus-net) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/prometheus-net/prometheus-net/releases)
- [Changelog](https://github.com/prometheus-net/prometheus-net/blob/master/History)
- [Commits](prometheus-net/prometheus-net@v7.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: prometheus-net.AspNetCore.HealthChecks
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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src/QuickstartTemplate.WebApi/QuickstartTemplate.WebApi.csproj

@@ -29,7 +29,7 @@
         <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="7.0.2" />
         <PackageReference Include="prometheus-net.AspNetCore" Version="8.0.0" />
         <PackageReference Include="prometheus-net.AspNetCore.Grpc" Version="7.0.0" />
-        <PackageReference Include="prometheus-net.AspNetCore.HealthChecks" Version="7.0.0" />
+        <PackageReference Include="prometheus-net.AspNetCore.HealthChecks" Version="8.0.0" />
         <PackageReference Include="prometheus-net.DotNetRuntime" Version="4.4.0" />
         <PackageReference Include="Npgsql.OpenTelemetry" Version="7.0.1" />
         <PackageReference Include="OpenTelemetry.Contrib.Instrumentation.ElasticsearchClient" Version="1.0.0-beta2" />