chore(deps): bump OpenTelemetry.Instrumentation.GrpcNetClient

Bumps [OpenTelemetry.Instrumentation.GrpcNetClient](https://github.com/open-telemetry/opentelemetry-dotnet) from 1.6.0-beta.2 to 1.6.0-beta.3.
- [Release notes](https://github.com/open-telemetry/opentelemetry-dotnet/releases)
- [Commits](open-telemetry/opentelemetry-dotnet@1.6.0-beta.2...1.6.0-beta.3)

---
updated-dependencies:
- dependency-name: OpenTelemetry.Instrumentation.GrpcNetClient
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

geometrix-api/Geometrix.ServiceDefaults/Geometrix.ServiceDefaults.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.7.0-alpha.1"/>
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.7.0-alpha.1"/>
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.6.0-beta.2"/>
-    <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.6.0-beta.2"/>
+    <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.6.0-beta.3"/>
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.6.0-beta.2"/>
     <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.5.1"/>
   </ItemGroup>