feat(mergify): delay mergify merging by one day

.github/mergify.yml

@@ -8,11 +8,29 @@ pull_request_rules:
         message: Automatically approving lockfile updates
       merge:
         method: merge
-  - name: Merge on approval
+
+  - name: Prepare for merge
     conditions:
       - and:
         - "-draft"
-        - "#approved-reviews-by>=2"
+        - "#approved-reviews-by=1"
+        - "#review-requested=0"
+    actions:
+      comment:
+        message: |
+          This PR is ready to be merged, and will be in 1 day if nothing happens before.
+          If you want other people to review your PR, request their reviews.
+          If you don't want this PR to be merged now, mark it as a Draft.
+
+  - name: Merge on approval
+    conditions:
+      - and:
+        - or:
+          - "#approved-reviews-by>=2"
+          - and:
+            - "#approved-reviews-by=1"
+            - "updated-at>=1 day ago"
+        - "-draft"
         - "#review-requested=0"
     actions:
       merge: