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] <support@github.com>

Directory.Packages.props

@@ -55,7 +55,7 @@
     <PackageVersion Include="Microsoft.SemanticKernel" Version="1.7.1" />
     <!-- Open Telemetry -->
     <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.8.0" />
-    <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.7.0" />
+    <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.8.0" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.8.1" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.6.0-beta.3" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.8.1" />