fix: sync example/go.mod otel deps after dependabot bump to v1.42.0#339

intel352 merged 2 commits intodependabot/go_modules/go.opentelemetry.io/otel/trace-1.42.0GoCodeAlone/workflow:dependabot/go_modules/go.opentelemetry.io/otel/trace-1.42.0from

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