feat(configx): default otel sampling rate to 1

[matthewhughes-uw]

This puts OTEL in line with the jaeger config. The motivation for this was the time spent debugging why no traces were being sent from a pod running oryd/hydra with our basic config:

tracing:
  provider: otel
  service_name: ory-hydra
  deployment_environment: development
  providers:
    otlp:
      server_url: our-collector:4318
      insecure: true

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