Chore: increase minimum Node.js version to v16.3

[emmercm]

No description provided.

[github-actions]

🧪 Branch Testing

This pull request can be tested locally with the following command:

npm exec --yes -- "github:emmercm/igir#emmercm/node-15.0.0" [commands..] [options]

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[codecov]

Codecov Report

Merging #640 (53a4f8f) into main (594211c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #640   +/-   ##
=======================================
  Coverage   93.29%   93.29%           
=======================================
  Files          77       77           
  Lines        4566     4566           
  Branches      982      982           
=======================================
  Hits         4260     4260           
  Misses        291      291           
  Partials       15       15           

[github-actions]

🔒 Inactive pull request lock

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.