Bump non-core OTel packages in /examples/AspNet (#1647)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Piotr Kiełkowicz <pkiekowicz@splunk.com>

Author: dependabot[bot]

examples/AspNet/Examples.AspNet.csproj

@@ -53,11 +53,11 @@
     <PackageReference Include="Microsoft.AspNet.Mvc" Version="[5.2.9,6.0)" />
     <PackageReference Include="Microsoft.AspNet.WebPages" Version="[3.2.9,4.0)" />
     <PackageReference Include="OpenTelemetry" Version="$(OpenTelemetryCoreLatestVersion)" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc9.14" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.8.1" />
     <PackageReference Include="OpenTelemetry.Exporter.Console" Version="$(OpenTelemetryCoreLatestVersion)" />
     <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="$(OpenTelemetryCoreLatestVersion)" />
     <PackageReference Include="OpenTelemetry.Exporter.Zipkin" Version="$(OpenTelemetryCoreLatestVersion)" />
-    <PackageReference Include="OpenTelemetry.Exporter.Prometheus.HttpListener" Version="1.5.0-rc.1" />
+    <PackageReference Include="OpenTelemetry.Exporter.Prometheus.HttpListener" Version="1.8.0-rc.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.AspNet\OpenTelemetry.Instrumentation.AspNet.csproj" />