Update dependency eslint-config-airbnb-base to v15

Author: renovate[bot]

package.json

@@ -10,7 +10,7 @@
   "description": "Protractor end-to-end test automation boilerplate. Using Commonjs, Mocha and Assert.",
   "devDependencies": {
     "eslint": "7.31.0",
-    "eslint-config-airbnb-base": "14.2.1",
+    "eslint-config-airbnb-base": "15.0.0",
     "eslint-config-prettier": "8.3.0",
     "eslint-plugin-import": "2.23.4",
     "eslint-plugin-prettier": "3.4.0",