fix format error of config file for otel local example (#5477)
fix format error of config file for otel local example (#5477)

Signed-off-by: Ziqi Zhao <3b471d50440dca3cb4b580ef25324a4a44b8e1a7@gmail.com>
open-telemetry/opentelemetry-collector,open-telemetry/opentelemetry-collector,open-telemetry/opentelemetry-collector