feat: ACNA-1962 - support node environment variable NODE_TLS_REJECT_UNAUTHORIZED=0

[shazron]

Closes #111

How Has This Been Tested?

npm test

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #115 (04f94d2) into master (64cedaf) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #115   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           11        11           
  Lines         1291      1293    +2     
  Branches       339       340    +1     
=========================================
+ Hits          1291      1293    +2     

Impacted Files	Coverage Δ
src/RuntimeAPI.js	100.00% <100.00%> (ø)

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[MichaelGoberling]

LGTM. TY for type updates 👍