chore(visual-regression): add script to update ground truths

[thetaPC]

Issue number: N/A

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What is the current behavior?

Devs would have to manually generate the ground truths from their desired base branch. This causes a dev to checkout the base branch and pull the latest screenshots. They would then return to their working branch and start the E2E tests.

What is the new behavior?

A script has been created to automate this process using Docker as mentioned in the design doc:

• It will ask the user a set a questions like if which component they want to test

Does this introduce a breaking change?

• [ ] Yes
• [x] No

Other information

How to test:

1. Make a change to a desired component
2. Run npm run test.e2e.script
3. Answer the questions
4. Verify that the tests fail due to visual changes
5. Re-run the command as many times as necessary in order to try different routes based on different answers

[thetaPC]

Also adding Liam and Brandy as reviewers since they've worked on the visual regression changes.

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Name	Status	Preview	Comments	Updated (UTC)
ionic-framework	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 9, 2024 9:38pm

[thetaPC]

@brandyscarney ready for review