chore(deps): bump the opentelemetry group with 2 updates (#47)

Bumps the opentelemetry group with 2 updates: [OpenTelemetry.Exporter.OpenTelemetryProtocol](https://github.com/open-telemetry/opentelemetry-dotnet) and [OpenTelemetry.Extensions.Hosting](https://github.com/open-telemetry/opentelemetry-dotnet).


Updates `OpenTelemetry.Exporter.OpenTelemetryProtocol` from 1.8.0 to 1.8.1
- [Release notes](https://github.com/open-telemetry/opentelemetry-dotnet/releases)
- [Commits](open-telemetry/opentelemetry-dotnet@core-1.8.0...core-1.8.1)

Updates `OpenTelemetry.Extensions.Hosting` from 1.8.0 to 1.8.1
- [Release notes](https://github.com/open-telemetry/opentelemetry-dotnet/releases)
- [Commits](open-telemetry/opentelemetry-dotnet@core-1.8.0...core-1.8.1)

---
updated-dependencies:
- dependency-name: OpenTelemetry.Exporter.OpenTelemetryProtocol
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: opentelemetry
- dependency-name: OpenTelemetry.Extensions.Hosting
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: opentelemetry
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

sample/ServiceDefaults/ServiceDefaults.csproj

@@ -13,8 +13,8 @@
 
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="8.4.0" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="8.0.0-preview.5.24201.12" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.8.0" />
-    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.8.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.8.1" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.8.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.8.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.8.0-beta.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.8.1" />