build: updated Node to 18

[rjbrache]

PR Checklist

• Unit Tests have been added for new changes
• API tests have been updated if applicable
• All commented code has been removed
• If you've added a dependency, you've ensured license is compatible with Apache 2.0 and clearly outlined the added dependency.

What are you changing?

Anything the reviewer should know when reviewing this PR?

If the there are associated PRs in other repositories, please link them here (i.e. open-amt-cloud-toolkit/repo#365 )

[codecov]

Codecov Report

Merging #815 (e0dcea9) into main (9f7d7b6) will not change coverage.
The diff coverage is n/a.

❗ Current head e0dcea9 differs from pull request most recent head fda2582. Consider uploading reports for the commit fda2582 to get more accurate results

@@           Coverage Diff           @@
##             main     #815   +/-   ##
=======================================
  Coverage   94.41%   94.41%           
=======================================
  Files          78       78           
  Lines        3330     3330           
  Branches      569      569           
=======================================
  Hits         3144     3144           
  Misses        179      179           
  Partials        7        7           

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