[Bug]: Incorrect header used for context propagation in tracing

[chathurace]

Description

Ballerina uses "uber-trace-id" header for propagating trace id and parent span id across services. However, according to the open telemetry standard, "traceparent" header must be used. Therefore, Ballerina tracing does not work with products that follow the open telemetry standard (e.g. MI).

This needs to be fixed by using the traceparent header with relevant formatting guidelines.

Steps to Reproduce

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Affected Version(s)

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OS, DB, other environment details and versions

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Related area

-> Observability

Related issue(s) (optional)

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[github-actions]

This issue is NOT closed with a proper Reason/ label. Make sure to add proper reason label before closing. Please add or leave a comment with the proper reason label now.

      - Reason/EngineeringMistake - The issue occurred due to a mistake made in the past.
      - Reason/Regression - The issue has introduced a regression.
      - Reason/MultipleComponentInteraction - Issue occured due to interactions in multiple components.
      - Reason/Complex - Issue occurred due to complex scenario.
      - Reason/Invalid - Issue is invalid.
      - Reason/Other - None of the above cases.