chore(deps): update webdriverio monorepo to v8 (#1129)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

tests/web-platform/package.json

@@ -11,12 +11,12 @@
     "serve": "14.1.2"
   },
   "devDependencies": {
-    "@wdio/browserstack-service": "^7.27.0",
-    "@wdio/cli": "^7.27.0",
-    "@wdio/dot-reporter": "^7.26.0",
-    "@wdio/junit-reporter": "7.26.0",
-    "@wdio/local-runner": "^7.27.0",
-    "@wdio/mocha-framework": "7.26.0",
+    "@wdio/browserstack-service": "^8.0.2",
+    "@wdio/cli": "^8.0.4",
+    "@wdio/dot-reporter": "^8.0.0",
+    "@wdio/junit-reporter": "8.0.0",
+    "@wdio/local-runner": "^8.0.4",
+    "@wdio/mocha-framework": "8.0.2",
     "cypress": "11.2.0"
   }
 }