ci(mergify): upgrade configuration to current format

mergify[bot] · web-flow · commit f7e332a323a2 · 2026-04-02T10:47:46.000Z
diff --git a/.github/mergify.yml b/.github/mergify.yml
@@ -5,7 +5,7 @@ pull_request_rules:
     actions:
       queue:
 queue_rules:
-  - queue_branch_merge_method: fast-forward
-    allow_queue_branch_edit: true
+  - allow_queue_branch_edit: true
     update_method: merge
     name: default
+    merge_method: fast-forward
