ci(mergify): disable auto-rebasing due to Mergifyio/mergify#5074

.mergify.yml

@@ -1,17 +1,4 @@
 pull_request_rules:
-  - name: Auto-rebase if appropriately labeled or if author is an authorized bot
-    conditions:
-      - or:
-        - label=auto-update-rebase
-        - and:
-            - label=dependencies
-            - or: &authors_are_bots
-                - author=renovate[bot]
-                - author=dependabot[bot]
-      - -draft
-      - -conflict
-    actions:
-      rebase:
   - name: Auto-update with merge if appropriately labeled
     conditions:
       - label=auto-update-merge
@@ -21,7 +8,9 @@ pull_request_rules:
       update:
   - name: rebase-merge working updates
     conditions:
-      - or: *authors_are_bots
+      - or: &authors_are_bots
+          - author=renovate[bot]
+          - author=dependabot[bot]
       - label=dependencies
       - -draft
       - -conflict