Prepare the rules for ESLint v9

[Belco90]

Plugin version

n/a

What problem do you want to solve?

• Preparing your custom rules for ESLint v9.0.0

Your take on the correct solution?

Apply the changes mentioned in the linked migration docs so the custom rules are adapted to ESLint v9 and the

Anything else?

No response

Do you want to submit a pull request to implement this change?

Yes

[thenbe]

An example of a similar migration on another eslint plugin: https://github.com/eslint-community/eslint-plugin-security/pull/145/files