feat: use native esm

[JounQin]

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[changeset-bot]

🦋 Changeset detected

Latest commit: e35c1b0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
synckit	Minor

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[codecov]

Codecov Report

Merging #45 (144025c) into main (0018dbc) will decrease coverage by 2.26%.
The diff coverage is 88.88%.

❗ Current head 144025c differs from pull request most recent head e35c1b0. Consider uploading reports for the commit e35c1b0 to get more accurate results

@@            Coverage Diff             @@
##             main      #45      +/-   ##
==========================================
- Coverage   97.56%   95.29%   -2.27%     
==========================================
  Files           1        1              
  Lines          82       85       +3     
  Branches       27       34       +7     
==========================================
+ Hits           80       81       +1     
- Misses          2        4       +2     

Impacted Files	Coverage Δ
src/index.ts	95.29% <88.88%> (-2.27%)	⬇️

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