Upgrade eslint to 9.20.1

[shane-davidson]

Megalinter is currently running eslint 8.57.1

Is it possible to upgrade eslint to 9.20.1 or at lease 9.x.x

https://www.npmjs.com/package/eslint

[nvuillam]

@shane-davidson it's on the backlog, a little bit tricky :/

Would you like to try a Pull Request ? :)

The spec by @ethanchristensen01 is here #3570 (comment)

[github-actions]

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