docs: use cypress/browsers:22.15.0 in README example (#514)

Author: MikeMcC399

README.md

@@ -149,7 +149,7 @@ orbs:
   cypress: cypress-io/cypress@3
 executor:
   docker:
-    image: cypress/browsers:node-16.18.1-chrome-109.0.5414.74-1-ff-109.0-edge-109.0.1518.52-1 # your Docker image here
+    image: cypress/browsers:22.15.0 # your Docker image here
 jobs:
   - cypress/run:
 ```