Node 18 upgrade

[abdullahwaheed]

Backport node 18 PR for palm release.

• feat: upgraded to node v18, added .nvmrc and updated workflows

• refactor: updated packages

• refactor: resolved eslint issues

Description

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How Has This Been Tested?

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Screenshots/sandbox (optional):

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Before	After

Merge Checklist

• If your update includes visual changes, have they been reviewed by a designer? Send them a link to the Sandbox, if applicable.
• Is there adequate test coverage for your changes?

Post-merge Checklist

• Deploy the changes to prod after verifying on stage or ask @openedx/edx-infinity to do it.
• 🎉 🙌 Celebrate! Thanks for your contribution.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (open-release/palm.master@0e2bd94). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@                     Coverage Diff                     @@
##             open-release/palm.master     #531   +/-   ##
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  Coverage                            ?   92.37%           
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  Files                               ?      163           
  Lines                               ?     3293           
  Branches                            ?      889           
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  Hits                                ?     3042           
  Misses                              ?      232           
  Partials                            ?       19           

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