chore(deps): bump OpenTelemetry.Extensions.Hosting from 1.7.0 to 1.8.0

Bumps [OpenTelemetry.Extensions.Hosting](https://github.com/open-telemetry/opentelemetry-dotnet) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-dotnet/releases)
- [Commits](open-telemetry/opentelemetry-dotnet@core-1.7.0...core-1.8.0)

---
updated-dependencies:
- dependency-name: OpenTelemetry.Extensions.Hosting
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

sample/ServiceDefaults/ServiceDefaults.csproj

@@ -14,7 +14,7 @@
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="8.3.0" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="8.0.0-preview.4.24156.9" />
     <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.7.0" />
-    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.7.0" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.8.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.7.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.7.0-beta.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.7.1" />