fix(zipkin-exporter): round duration for zipkin

[n0cloud]

Which problem is this PR solving?

exporter-zipkin export traces correctly to zipkin.

Fixes #4056

Short description of the changes

Round the duration for zipkin.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Unit tests for zipkin-exporter
• Tested in a project by using a patch

Checklist:

• Followed the style guidelines of this project
• Unit tests have been added
• Documentation has been updated

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: n0cloud / name: Gabriel Poulenard-Talbot (ece5c7c, 130c9fd, cf7a365)
• ✅ login: dyladan / name: Daniel Dyla (ee14265)

[codecov]

Codecov Report

Merging #4064 (8f4b733) into main (5259a0b) will not change coverage.
The diff coverage is n/a.

❗ Current head 8f4b733 differs from pull request most recent head cf7a365. Consider uploading reports for the commit cf7a365 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4064   +/-   ##
=======================================
  Coverage   92.37%   92.37%           
=======================================
  Files         321      321           
  Lines        9273     9273           
  Branches     1970     1970           
=======================================
  Hits         8566     8566           
  Misses        707      707           

Files Changed	Coverage Δ
...ges/opentelemetry-exporter-zipkin/src/transform.ts	90.90% <ø> (ø)

[dyladan]

Please update the changelog. I suggest something like fix(exporter-zipkin): round span durations to the nearest millisecond to be compliant with zipkin protocol

[n0cloud]

@dyladan thank you for the suggestion. I've updated the changelog

[pichlermarc]

thanks! 🙂

[rakeshlanjewar]

Any expected release date for this fix ?