Update to node 16 and package dependencies

[myty]

Linked to issue #131

Still waiting on andculturecode-javascript-testing to be published to npm before finalizing this PR. Once that happens, npm install should be ran so that package-lock.json updates.

• Related GitHub issue(s) linked in PR description
• Destination branch merged, built and tested with your changes
• Code formatted and follows best practices and patterns
• Code builds cleanly (no additional warnings or errors)
• Manually tested
• Automated tests are passing
• No decreases in automated test coverage
• Documentation updated (readme, docs, comments, etc.)
• Localization: No hard-coded error messages in code files (minimally in string constants)