fix CI, add node v20, remove node v14

[gfx]

No description provided.

[codecov-commenter]

Codecov Report

Patch coverage: 88.88% and no project coverage change.

Comparison is base (f95b15b) 98.55% compared to head (3783cf4) 98.55%.
Report is 4 commits behind head on main.

❗ Current head 3783cf4 differs from pull request most recent head 5b0f25e. Consider uploading reports for the commit 5b0f25e to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #234   +/-   ##
=======================================
  Coverage   98.55%   98.55%           
=======================================
  Files          16       16           
  Lines        1035     1037    +2     
  Branches      199      200    +1     
=======================================
+ Hits         1020     1022    +2     
  Misses         15       15           

Files Changed	Coverage Δ
src/Encoder.ts	98.14% <ø> (ø)
src/decode.ts	100.00% <ø> (ø)
src/index.ts	100.00% <ø> (ø)
src/utils/utf8.ts	96.87% <ø> (ø)
src/Decoder.ts	99.04% <66.66%> (ø)
src/CachedKeyDecoder.ts	100.00% <100.00%> (ø)
src/ExtData.ts	100.00% <100.00%> (ø)
src/decodeAsync.ts	100.00% <100.00%> (ø)

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