ci: add node v18 to test workflow

[amareshsm]

This PR contains a:

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

Motivation / Use-Case

Add node v18 to test workflow

[codecov]

Codecov Report

Merging #1444 (b326194) into master (127476a) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1444   +/-   ##
=======================================
  Coverage   96.81%   96.81%           
=======================================
  Files          12       12           
  Lines        1131     1131           
  Branches      411      411           
=======================================
  Hits         1095     1095           
  Misses         27       27           
  Partials        9        9           

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