chore(deps): update node.js to v16

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
node	final	major	12 -> 16

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Release Notes

nodejs/node

v16

Moved to doc/changelogs/CHANGELOG_V012.md#​0.12.14.

v15

Moved to doc/changelogs/CHANGELOG_V4.md#​4.2.4.

v14

Moved to doc/changelogs/CHANGELOG_V012.md#​0.12.14.

v13

Moved to doc/changelogs/CHANGELOG_V012.md#​0.12.13.

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Configuration

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[codecov]

Codecov Report

Merging #510 (4148a58) into next (0bf7b24) will increase coverage by 5.31%.
The diff coverage is 81.21%.

❗ Current head 4148a58 differs from pull request most recent head ec6a0e7. Consider uploading reports for the commit ec6a0e7 to get more accurate results

@@            Coverage Diff             @@
##             next     #510      +/-   ##
==========================================
+ Coverage   67.58%   72.89%   +5.31%     
==========================================
  Files          62       71       +9     
  Lines        1530     1867     +337     
  Branches      247      322      +75     
==========================================
+ Hits         1034     1361     +327     
- Misses        400      504     +104     
+ Partials       96        2      -94