feat(basebranches): add dev as a base branch for the split

default.json

@@ -20,6 +20,10 @@
     "_legacy/**",
     "**/docker-compose.worktree.yml"
   ],
+  "baseBranches": [
+    "$default",
+    "dev"
+  ],
   "pinDigests": true,
   "minimumReleaseAge": "3 days",
   "minimumReleaseAgeBehaviour": "timestamp-required",