Update to cypress/included:13.15.2 (#49)

Update to latest version of Cypress (includes newer versions of browsers among other things)

Author: bserem

docker-compose.cypress.yaml

@@ -1,7 +1,7 @@
 #ddev-generated
 services:
   cypress:
-    image: cypress/included:13.11.0
+    image: cypress/included:13.15.2
     container_name: ddev-${DDEV_SITENAME}-cypress
     labels:
       com.ddev.site-name: ${DDEV_SITENAME}