Bump OpenTelemetry from 1.5.1 to 1.6.0 (#1394)

Bumps [OpenTelemetry](https://github.com/open-telemetry/opentelemetry-dotnet) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-dotnet/releases)
- [Commits](open-telemetry/opentelemetry-dotnet@core-1.5.1...core-1.6.0)

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

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

Author: dependabot[bot]

examples/openTelemetryConsole/openTelemetryConsole.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="OpenTelemetry" Version="1.5.1" />
+        <PackageReference Include="OpenTelemetry" Version="1.6.0" />
         <PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.5.1" />
         <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc9.14" />
     </ItemGroup>