fix: covid-vue-app/package.json & covid-vue-app/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-TMP-11501554

Author: snyk-bot

covid-vue-app/package-lock.json

@@ -38,7 +38,7 @@
   "dependencies": {
     "axios": "^0.21.3",
     "core-js": "^3.18.0",
-    "selenium-webdriver": "^3.6.0",
+    "selenium-webdriver": "^4.0.0",
     "vue": "^2.6.10",
     "vue-router": "^3.5.2",
     "vuetify": "^2.4.9"