feat: otel (#1195)
* wip: headers otel
* wip: headers otel
* wip: headers otel
* wip: headers otel
* fix: headers
* fix: headers
* fix: types
* docs
* ci: apply automated fixes
* docs
* docs
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Co-authored-by: Thibault Le Ouay <thibaultleouay@gmail.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
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