update eslint

Author: zloirock

.eslintrc.js

@@ -71,6 +71,8 @@ const base = {
   'no-unsafe-optional-chaining': ERROR,
   // disallow loops with a body that allows only one iteration
   'no-unreachable-loop': ERROR,
+  // disallow unused private class members
+  'no-unused-private-class-members': ERROR,
   // disallow comparisons with the value NaN
   'use-isnan': ERROR,
   // disallow unreachable statements after a return, throw, continue, or break statement

package.json

@@ -33,7 +33,7 @@
     "core-js-pure": "file:./packages/core-js-pure",
     "david": "^12.0.0",
     "es-observable": "git+https://github.com/tc39/proposal-observable.git#d3404f06bc70c7c578a5047dfb3dc813730e3319",
-    "eslint": "^8.0.1",
+    "eslint": "^8.1.0",
     "eslint-plugin-es": "git+https://github.com/mysticatea/eslint-plugin-es.git#00d73851793541dc7b0d07292deb0ca2bc8a25e1",
     "eslint-plugin-eslint-comments": "^3.2.0",
     "eslint-plugin-import": "^2.25.2",