feat: support node-v16.x

[hyj1991]

No description provided.

[codecov]

Codecov Report

Merging #97 (ecb7dec) into master (7bea901) will not change coverage.
The diff coverage is n/a.

❗ Current head ecb7dec differs from pull request most recent head 2f95c0b. Consider uploading reports for the commit 2f95c0b to get more accurate results

@@            Coverage Diff            @@
##            master       #97   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            8         7    -1     
  Lines          287       268   -19     
=========================================
- Hits           287       268   -19     

Impacted Files	Coverage Δ
lib/clean.js

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[hyj1991]

appveyor/ci#2921