Update to intern 4.8

[tomdye]

Type: feature

The following has been addressed in the PR:

• [ ] There is a related issue
• [ ] All code has been formatted with prettier as per the readme code style guidelines
• [ ] Unit or Functional tests are included in the PR

Description:

• Updates to intern 4.8 to update chrome driver version.
• Updates node version to 12 Tested with widgets npm run test:ci command.

[codecov[bot]]

Codecov Report

Merging #156 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #156   +/-   ##
=======================================
  Coverage   96.84%   96.84%           
=======================================
  Files          10       10           
  Lines         349      349           
  Branches       77       77           
=======================================
  Hits          338      338           
  Misses         11       11           

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