Description

This pull request helps to fix the hanging issue that occurs in nextjs apps when lint is run.
The cause was that due to the way we changed the eslint command in all packages, we now have to specify blacklist instead of whitelisted folders. My last PR unfortunately did not cater for the .next folder and it caused eslint to hang when run on nextjs packages.

Issues

Fixes #14564
Refs #

Checklist:

• 1 PR, 1 purpose: my Pull Request applies to a single purpose
• I have commented my code, particularly in hard-to-understand areas
• I have updated the docs to reflect my changes if applicable
• I have added tests (and stories for frontend components) that prove my fix is effective or that my feature works
• I have performed a self-review of my own code
• If my code involves visual changes, I am adding applicable screenshots to this thread

Release Note Draft Snippet