feat(deb): set license field

[caarlos0]

closes #847

[cloudflare-workers-and-pages]

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Latest commit:	ceb541f
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.16%. Comparing base (abdde68) to head (ceb541f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #849   +/-   ##
=======================================
  Coverage   73.16%   73.16%           
=======================================
  Files          22       22           
  Lines        2493     2493           
=======================================
  Hits         1824     1824           
  Misses        463      463           
  Partials      206      206           

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