chore: Upgrade eslint-plugin-promise to v6.4.0 (#863)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

eslint.config.js

@@ -165,19 +165,9 @@ export default typescriptEslint.config(
   //   }
   // },
 
-  // This plugin does not support the flat config yet
-  // https://github.com/eslint-community/eslint-plugin-promise/issues/449
   {
     files: ['**/*.js', '**/*.mjs', '**/*.ts'],
-    plugins: {
-      promise: promisePlugin,
-    },
-    rules: {
-      ...promisePlugin.configs.recommended.rules,
-      'promise/no-promise-in-callback': 'off',
-      'promise/no-return-in-callback': 'off',
-      'promise/no-return-wrap': 'off',
-    },
+    ...promisePlugin.configs['flat/recommended'],
   },
 
   ...compat.extends('eslint-config-prettier'),

package.json

@@ -71,7 +71,7 @@
     "eslint-config-standard": "17.1.0",
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-prettier": "5.1.3",
-    "eslint-plugin-promise": "6.2.0",
+    "eslint-plugin-promise": "6.4.0",
     "globals": "15.3.0",
     "husky": "9.0.11",
     "jest": "29.7.0",