fix(eslint-plugin-mobx)!: invert exhausive-make-observable autofix

[kade-robertson]

To avoid changing behaviour of existing logic, the autofix for this rule should specify a false annotation to avoid changing code behaviour.

Code change checklist

• [x] Added/updated unit tests -- There were none before and this change is pretty minor.
• [x] Updated /docs. For new functionality, at least API.md should be updated (Just updated the README.md in this case)
• [x] Verified that there is no significant performance drop (yarn mobx test:performance) -- I don't believe this is relevant for this change

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 7341f711ac5fb63415272ec234f9ebe16aa9161c

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------------------ | ----- | | eslint-plugin-mobx | Minor |

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[urugator]

Hi, please see https://github.com/mobxjs/mobx/issues/3876#issuecomment-2119001806 Feel free to improve wording of error message.