Update dependency selenium-webdriver to v4.8.2

Author: renovate[bot]

package.json

@@ -7,7 +7,7 @@
     "chai": "4.3.4",
     "chromedriver": "90.0.1",
     "mocha": "8.4.0",
-    "selenium-webdriver": "4.0.0-beta.4",
+    "selenium-webdriver": "4.8.2",
     "webdriver-manager": "12.1.8"
   },
   "description": "Selenium-WebDriver end-to-end test automation boilerplate. Using Commonjs, Mocha, Chai and Expect.",