OTEL traces exporter parameters

Setting	Value type	Description
observability.otel.traces-url	string	The traces' consumer URL (OTEL collector receiver endpoint, Elastic EPM etc.)
observability.otel.traces-request-headers	string	The headers for OTEL traces requests, formatted as HeaderName:HeaderValue\nHeaderName:HeaderValue
observability.otel.traces-batch-max-size	number	Max amount of traces in one send traces request. Default value - 100
observability.otel.traces-batch-timeout	number	Timeout in milliseconds between send traces requests. Default value - 1000
observability.otel.traces-history-size	number	Traces history size on telemetry $status endpoint. Default value - 10