chore: update to support eslint 9 flat config (#1064)

Upgrade to eslint v9 flat config. Custom eslint rules have been tested
and work in the new config file.
Use [globals](https://www.npmjs.com/package/globals) to include [globals
env](https://eslint.org/docs/latest/use/configure/language-options#predefined-global-variables)

eslint-plugin-react since it does not support eslint 9 yet 
Ref: jsx-eslint/eslint-plugin-react#3743

no qa required

eslint.config.js

@@ -0,0 +1,130 @@
+const globals = require('globals');
+const eslint = require('@eslint/js');
+const tseslint = require('typescript-eslint');
+const eslintConfigPrettier = require('eslint-config-prettier');
+const eslintPluginPrettier = require('eslint-plugin-prettier');
+
+module.exports = [
+  eslint.configs.recommended,
+  eslintConfigPrettier,
+  ...tseslint.configs.recommended,
+  {
+    languageOptions: {
+      parser: tseslint.parser,
+      globals: {
+        ...globals.node,
+        ...globals.mocha,
+        ...globals.browser
+      }
+    },
+    settings: {
+      react: {
+        version: 'detect'
+      }
+    },
+    plugins: {
+      prettier: eslintPluginPrettier,
+      '@typescript-eslint': tseslint.plugin
+    },
+    rules: {
+      '@typescript-eslint/camelcase': 'off',
+      '@typescript-eslint/interface-name-prefix': 'off',
+      '@typescript-eslint/no-use-before-define': 'off',
+      '@typescript-eslint/ban-types': 'off',
+      '@typescript-eslint/no-unused-vars': 'error',
+      '@typescript-eslint/no-explicit-any': 'error',
+      '@typescript-eslint/no-non-null-assertion': 'error'
+    }
+  },
+  {
+    ignores: [
+      'packages/cli/src/testutils/',
+      'packages/cli/src/**/**/*.test.ts',
+      'packages/reporter-earl/coverage/',
+      'packages/react/examples/',
+      '**/dist/',
+      '**/fixtures/external/'
+    ]
+  },
+  {
+    files: ['**/*.js'],
+    rules: {
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/no-var-requires': 'off'
+    }
+  },
+  {
+    files: ['**/*.test.ts', '**/*.test.tsx', '**/*.spec.ts', '**/*.spec.tsx'],
+    rules: {
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-non-null-assertion': 'off'
+    }
+  },
+  {
+    files: ['packages/cli/**'],
+    rules: {
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/explicit-function-return-type': 'off'
+    }
+  },
+  {
+    files: ['packages/cli/**/*.test.ts'],
+    languageOptions: {
+      globals: {
+        ...globals.mocha
+      }
+    },
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'off'
+    }
+  },
+  {
+    files: ['packages/puppeteer/**'],
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-use-before-define': 'off'
+    }
+  },
+  {
+    files: ['packages/react/**'],
+    languageOptions: {
+      sourceType: 'module',
+      globals: {
+        ...globals.node,
+        ...globals.mocha,
+        ...globals.browser
+      },
+      ecmaVersion: 2018
+    }
+  },
+  {
+    files: ['packages/react/test/*.js'],
+    rules: {
+      'no-var': 'off'
+    }
+  },
+  {
+    files: ['packages/reporter-earl/**'],
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'off',
+      'no-debugger': 'off',
+      'no-empty-pattern': 'off'
+    }
+  },
+  {
+    files: ['packages/reporter-earl/tests/*.test.ts'],
+    languageOptions: {
+      globals: {
+        jest: true
+      }
+    }
+  },
+  {
+    files: ['packages/reporter-earl/src/types.ts'],
+    rules: {
+      '@typescript-eslint/no-empty-object-type': 'off'
+    }
+  }
+];