SNOW-952788 remove support for node 14 and 16

[sfc-gh-akolodziejczyk]

Description

SNOW-952788

Checklist

• Format code according to the existing code style (run npm run lint:check -- CHANGED_FILES and fix problems in changed code)
• Create tests which fail without the change (if possible)
• Make all tests (unit and integration) pass (npm run test:unit and npm run test:integration)
• Extend the README / documentation and ensure is properly displayed (if necessary)
• Provide JIRA issue id (if possible) or GitHub issue id in commit message

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.89%. Comparing base (d7e518a) to head (1c3d145).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #934      +/-   ##
==========================================
- Coverage   89.06%   88.89%   -0.18%     
==========================================
  Files          66       66              
  Lines        6455     6455              
==========================================
- Hits         5749     5738      -11     
- Misses        706      717      +11     

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[sfc-gh-pmotacki]

The suggestion is to wait to remove builds for older versions until we release the driver and announce the end of support. WDYT @sfc-gh-akolodziejczyk ?

[sfc-gh-akolodziejczyk]

The suggestion is to wait to remove builds for older versions until we release the driver and announce the end of support. WDYT @sfc-gh-akolodziejczyk ?

Ok, let's wait