Bump react-scripts from 3.4.3 to 4.0.1 Fails

[single-stop-justin]

Describe the bug

(Write your answer here.) Version 4.0.1 is broken:

• Open up dependabot pull requests
• Go to Bump react-scripts from 3.4.3 to 4.0.1
• Note: I do not see breaking changes listed
• Compatibility is @ 57%

• There are build errors here on your repo

  Did you try recovering your dependencies?

  n/a

(Write your answer here.)

Which terms did you search for in User Guide?

The change log in the dependabot PR

(Write your answer here if relevant.)

Environment

run yarn build (paste the output of the command here.) confidential...

Steps to reproduce

Upgrade to 4.0.1, run your existing react scripts (i.e. yarn start, yarn build, etc.)

(Write your steps here:)

1. Install new dependancy 4.0.1
2. Run existing scripts
3. Errors, but I can't seem to find guidance on breaking changes

Expected behavior

(Write what you thought would happen.)

• Breaking changes are listed
• Per breaking changes list, I can update my app
• Then re-install 4.0.1 and the app works

  Actual behavior

(Write what happened. Please add screenshots!)

Reproducible demo

(Paste the link to an example project and exact instructions to reproduce the issue.)

[shoedog]

@single-stop-justin you may need to try this with 4.0.0 before 4.0.1.

The breaking changes and detailed change log are are listed here: https://github.com/facebook/create-react-app/releases/tag/v4.0.0

[single-stop-justin]

Thank you very much @shoedog !