Update dependency @types/node to v12.12.22

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
@types/node	devDependencies	patch	12.12.21 -> 12.12.22

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[codecov-io]

Codecov Report

Merging #257 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #257   +/-   ##
=======================================
  Coverage   94.58%   94.58%           
=======================================
  Files          14       14           
  Lines        1385     1385           
  Branches      132      132           
=======================================
  Hits         1310     1310           
  Misses         71       71           
  Partials        4        4

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