Update opentelemetry-specification version to v1.56.0#9701

chalin merged 2 commits intomainopen-telemetry/opentelemetry.io:mainfrom

opentelemetrybot/auto-update-opentelemetry-specification-v1.56.0open-telemetry/opentelemetry.io:opentelemetrybot/auto-update-opentelemetry-specification-v1.56.0Copy head branch name to clipboard