Add support for ESLint v9

[DougMidgley]

The current plugin does not seem to work with eslint 9 which by default uses the flat config format
https://eslint.org/blog/2023/11/whats-coming-in-eslint-9.0.0/
We get the following error
[Error - 11:23:02 PM] ConfigError: Config (unnamed): Key "extends": This appears to be in eslintrc format rather than flat config format.

[nolanlawson]

Hi, ESLint v9 support is not implemented yet, apologies for that.

[smithmd]

Are there any plans yet to update this? Thanks.

[nolanlawson]

It is on our roadmap, but we are very concerned about shipping breaking changes to our customers, so we are doing this carefully. 🙂

[szymon-halik]

Hey Team, do we have any updates in regards to the issue?

[nolanlawson]

Sorry no, there is no update at this time.

[DougMidgley]

Given ESLINT v8.x is no longer supported, it is coming up on client security scans. Any timelines on when we can expect this?