Don't use deprecated `Buffer`

[icecream17]

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Description of the Change

According to https://nodejs.org/en/docs/guides/buffer-constructor-deprecation/, Buffer(number) should be replaced by Buffer.alloc(number)

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Applicable Issues

[codecov[bot]]

Codecov Report

Merging #2724 (1d6057d) into master (2053290) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2724   +/-   ##
=======================================
  Coverage   93.46%   93.46%           
=======================================
  Files         237      237           
  Lines       13213    13213           
  Branches     1900     1900           
=======================================
  Hits        12349    12349           
  Misses        864      864           

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