build(deps-dev): bump webdriverio from 9.19.2 to 9.20.0 (#601)

Author: dependabot[bot]

package-lock.json

@@ -76,7 +76,7 @@
     "vue-socket.io": "^3.0.10",
     "vue-template-compiler": "2.6.14",
     "vuex": "^3.6.2",
-    "webdriverio": "^9.19.1"
+    "webdriverio": "^9.20.0"
   },
   "resolutions": {
     "sumchecker": "3.0.1"