Downgraded cypress to 8.4.1

Author: Nikolaj Geisle

tests/Umbraco.Tests.AcceptanceTest/package-lock.json

@@ -9,11 +9,11 @@
   },
   "devDependencies": {
     "cross-env": "^7.0.2",
-    "cypress": "^8.7.0",
+    "cypress": "8.4.1",
     "del": "^6.0.0",
     "ncp": "^2.0.0",
     "prompt": "^1.2.0",
-    "umbraco-cypress-testhelpers": "^1.0.0-beta-61"
+    "umbraco-cypress-testhelpers": "^1.0.0-beta-62"
   },
   "dependencies": {
     "typescript": "^3.9.2"