chore(deps): upgrade ESLint to the latest version (#10756)

Signed-off-by: Jon Koops <jonkoops@gmail.com>

eslint.config.mjs

@@ -15,9 +15,7 @@ export default [
       '**/css',
       'packages/react-core/src/helpers/Popper/thirdparty',
       'packages/react-docs/patternfly-docs/generated',
-      'packages/react-docs/static',
-      // The Rollup configurations contain syntax not supported by ESLint, so ignore them for now.
-      '**/rollup.*.mjs'
+      'packages/react-docs/static'
     ]
   },
   js.configs.recommended,

package.json

@@ -45,7 +45,7 @@
     "@types/react-dom": "^18.3.0",
     "babel-jest": "^29.7.0",
     "concurrently": "^8.2.2",
-    "eslint": "^8.57.0",
+    "eslint": "^9.7.0",
     "eslint-plugin-markdown": "^5.1.0",
     "eslint-plugin-prettier": "^5.1.3",
     "eslint-plugin-react": "^7.34.4",
@@ -89,9 +89,9 @@
     "clean:build": "rimraf .cache .eslintcache coverage",
     "clean:exports": "lerna run clean:exports --parallel --stream",
     "generate": "yarn plop",
-    "lint": "ESLINT_USE_FLAT_CONFIG=true eslint . --cache --cache-strategy content",
+    "lint": "eslint . --cache --cache-strategy content",
     "lint:all": "yarn lint:md && yarn lint:ts",
-    "lint:md": "ESLINT_USE_FLAT_CONFIG=true eslint \"**/*.md\" --config eslint.config-md.mjs --cache --cache-strategy content --no-warn-ignored",
+    "lint:md": "eslint \"**/*.md\" --config eslint.config-md.mjs --cache --cache-strategy content --no-warn-ignored",
     "lint:ts": "yarn lint packages/*/src",
     "lint:tests": "yarn lint packages/*/src/components/*/__tests__/*.test.*",
     "postinstall": "ts-patch install -s && husky",

packages/rollup.base.mjs

@@ -10,7 +10,7 @@ import svg from 'rollup-plugin-svg';
 const isProduction = process.env.IS_PRODUCTION;
 let exitCode = 0;
 
-  /** @returns {import('rollup').Plugin} */
+/** @returns {import('rollup').Plugin} */
 function circularFailPlugin() {
   return {
     name: 'circluarFailPlugin',