Telemetry Api: add required header Lambda-Extension-Identifier by M1100 · Pull Request #443 · awsdocs/aws-lambda-developer-guide

Issue #, if available:
without this header you get 403 response during subscribing to telemetry stream
Description of changes:
add missing header parameter Lambda-Extension-Identifier required for Telemetry Api
using telemetry api instead of logs api since it is recommended by AWS

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