chore(deps): bump OpenTelemetry.Extensions.Hosting

Bumps [OpenTelemetry.Extensions.Hosting](https://github.com/open-telemetry/opentelemetry-dotnet) from 1.0.0-rc7 to 1.5.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-dotnet/releases)
- [Commits](open-telemetry/opentelemetry-dotnet@1.0.0-rc7...core-1.5.1)

---
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>

src/Libraries/OpenTelemetry/OpenTelemetry.csproj

@@ -9,7 +9,7 @@
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.2"/>
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="5.0.0"/>
     <!-- OpenTelemetry -->
-    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.0.0-rc7"/>
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.5.1"/>
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.0.0-rc7"/>
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc9.14"/>
     <PackageReference Include="OpenTelemetry.Instrumentation.SqlClient" Version="1.0.0-rc7"/>