SNOW-824882: MFA token caching to the node.js driver

[sfc-gh-ext-simba-jy]

Description

• [x] Added mfa token auth featuer
• [x] Saved the mfa token in the secure storage.

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[bot]]

Codecov Report

Attention: Patch coverage is 53.84615% with 24 lines in your changes missing coverage. Please review.

Project coverage is 88.66%. Comparing base (2459e1c) to head (287ef84).

Files	Patch %	Lines
lib/util.js	20.00%	12 Missing :warning:
lib/connection/connection.js	33.33%	4 Missing :warning:
lib/authentication/authentication.js	40.00%	3 Missing :warning:
lib/authentication/auth_mfatoken.js	81.81%	2 Missing :warning:
lib/services/sf.js	60.00%	2 Missing :warning:
lib/connection/connection_config.js	83.33%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #711      +/-   ##
==========================================
- Coverage   88.93%   88.66%   -0.27%     
==========================================
  Files          64       65       +1     
  Lines        6109     6160      +51     
==========================================
+ Hits         5433     5462      +29     
- Misses        676      698      +22     

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[gitguardian[bot]]

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