Update node version to 18

[agunapal]

Description

Upgrades node version from 14 to 18 as 14 has been deprecated.

Fixes #(issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Feature/Issue validation/testing

Please describe the Unit or Integration tests that you ran to verify your changes and relevant result summary. Provide instructions so it can be reproduced.
Please also list any relevant details for your test configuration.

• Test A
  Logs for Test A

• Test B
  Logs for Test B

Checklist:

• Did you have fun?
• Have you added tests that prove your fix is effective or that this feature works?
• Has code been commented, particularly in hard-to-understand areas?
• Have you made corresponding changes to the documentation?

[codecov]

Codecov Report

Merging #2663 (cc3f0f9) into master (a6fd770) will not change coverage.
The diff coverage is n/a.

❗ Current head cc3f0f9 differs from pull request most recent head 82a17c3. Consider uploading reports for the commit 82a17c3 to get more accurate results

@@           Coverage Diff           @@
##           master    #2663   +/-   ##
=======================================
  Coverage   71.34%   71.34%           
=======================================
  Files          85       85           
  Lines        3905     3905           
  Branches       58       58           
=======================================
  Hits         2786     2786           
  Misses       1115     1115           
  Partials        4        4           

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