🏷️ Better declare ESM's types

[dubzzz]

Category:

• ✨ Introduce new features
• 📝 Add or update documentation
• ✅ Add or update tests
• 🐛 Fix a bug
• 🏷️ Add or update types
• ⚡️ Improve performance
• Other(s): ...

Potential impacts:

• Generated values
• Shrink values
• Performance
• Typings
• Other(s): ...

[codesandbox-ci]

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Sandbox	Source
Vanilla	Configuration
@fast-check/examples	Configuration

[codecov]

Codecov Report

Merging #4172 (97388d9) into main (e7dea54) will not change coverage.
Report is 11 commits behind head on main.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #4172   +/-   ##
=======================================
  Coverage   94.65%   94.65%           
=======================================
  Files         211      211           
  Lines        5917     5917           
  Branches     1358     1358           
=======================================
  Hits         5601     5601           
  Misses        300      300           
  Partials       16       16           

Flag	Coverage Δ
unit-tests	94.65% <ø> (ø)
unit-tests-14.x-Linux	?
unit-tests-16.x-Linux	94.65% <ø> (ø)
unit-tests-18.x-Linux	?
unit-tests-latest-Linux	94.65% <ø> (ø)

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