Update dependency @types/selenium-webdriver to v4.0.15

Author: renovate-bot

package-lock.json

@@ -14,7 +14,7 @@
   "description": "Selenium-WebDriver end-to-end test automation boilerplate. Using TypeScript, ts-node and Tape.",
   "devDependencies": {
     "@types/node": "14.17.4",
-    "@types/selenium-webdriver": "4.0.14",
+    "@types/selenium-webdriver": "4.0.15",
     "@types/tape": "4.13.1",
     "husky": "6.0.0",
     "lint-staged": "11.0.0",