add a note about eslint-plugin-filenames

readme.md

@@ -243,7 +243,7 @@ If you want to contribute, please read the [contribution guidelines](contributin
 
 - [const case](https://www.npmjs.com/package/eslint-plugin-const-case) - Enforce capitalization of constant primitive literals.
 - [editorconfig](https://github.com/platinumazure/eslint-plugin-editorconfig) - Derive rules from [`.editorconfig`](https://editorconfig.org/).
-- [filenames](https://github.com/selaux/eslint-plugin-filenames) - Ensure consistent filenames for your JavaScript files.
+- [filenames](https://github.com/selaux/eslint-plugin-filenames) - Ensure consistent filenames for your JavaScript files. No longer maintained and does not work with ESlint 9 at all.
 - [Simple import sort](https://github.com/lydell/eslint-plugin-simple-import-sort) - Easy autofixable import sorting.
 - [perfectionist sorting](https://github.com/azat-io/eslint-plugin-perfectionist) - Sort objects, imports, TypeScript types, enums, JSX props, etc.
 - [Switch case](https://github.com/lukeapage/eslint-plugin-switch-case) - Switch-case-specific linting rules for ESLint.