chore: upgrade to eslint 9

Author: ayan4m1

.eslintrc.json

@@ -0,0 +1,12 @@
+import eslint from '@eslint/js';
+import { config, configs } from 'typescript-eslint';
+import eslintPluginImportX from 'eslint-plugin-import-x';
+import eslintPluginPrettier from 'eslint-plugin-prettier/recommended';
+
+export default config(
+  eslint.configs.recommended,
+  ...configs.recommended,
+  eslintPluginPrettier,
+  eslintPluginImportX.flatConfigs.recommended,
+  eslintPluginImportX.flatConfigs.typescript
+);