Update webdriverio monorepo to v7.7.8

Author: renovate-bot

package-lock.json

@@ -4,11 +4,11 @@
     "url": "https://github.com/e2e-boilerplate/webdriverio-typescript-ts-node-mocha-chai-assert/issues"
   },
   "dependencies": {
-    "@wdio/cli": "7.7.7",
+    "@wdio/cli": "7.7.8",
     "@wdio/dot-reporter": "7.7.7",
-    "@wdio/local-runner": "7.7.7",
+    "@wdio/local-runner": "7.7.8",
     "@wdio/mocha-framework": "7.7.7",
-    "@wdio/sync": "7.7.7",
+    "@wdio/sync": "7.7.8",
     "chai": "4.3.4",
     "chromedriver": "90.0.1",
     "mocha": "8.4.0",