build: Bump OpenTelemetry and OpenTelemetry.Exporter.OpenTelemetryProtocol#509

NelsonBN merged 2 commits intomainNelsonBN/observability-journey:mainfrom

dependabot/nuget/src/Demo.Shared/Demo.BuildingBlocks.Observability/main/multi-9c53ebc334NelsonBN/observability-journey:dependabot/nuget/src/Demo.Shared/Demo.BuildingBlocks.Observability/main/multi-9c53ebc334Copy head branch name to clipboard