chore: add node 18

[harish-sethuraman]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Add node 18 to test workflow

[codecov]

Codecov Report

Merging #1045 (89856e4) into master (d7c05ef) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1045   +/-   ##
=======================================
  Coverage   93.83%   93.83%           
=======================================
  Files           5        5           
  Lines         373      373           
  Branches      138      138           
=======================================
  Hits          350      350           
  Misses         21       21           
  Partials        2        2           

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