Update dependency selenium-webdriver to v4.0.0-beta.4

Author: renovate-bot

package-lock.json

@@ -6,7 +6,7 @@
   "dependencies": {
     "chromedriver": "90.0.1",
     "jest": "26.6.3",
-    "selenium-webdriver": "4.0.0-beta.3",
+    "selenium-webdriver": "4.0.0-beta.4",
     "ts-jest": "26.5.6",
     "typescript": "4.3.2",
     "webdriver-manager": "12.1.8"