Change mergify for 1.13.x [ci skip]

.mergify.yml

@@ -1,21 +1,22 @@
 pull_request_rules:
-    #  - name: backport to master
-    #    conditions:
-    #      - merged
-    #      - base=dev
-    #      - label="Please Backport"
-    #    actions:
-    #      backport:
-    #        branches:
-    #          - master
-    #        ignore_conflicts: True
-    #        label_conflicts: "bp-conflict"
-    #      label:
-    #        add: [Backported]
-    #
-    #  - name: label Mergify backport PR
-    #    conditions:
-    #      - body~=This is an automated backport of pull request \#\d+ done by Mergify
-    #    actions:
-    #      label:
-    #        add: [Backport]
+  - name: backport to master
+    conditions:
+      - merged
+      - base=main
+      - milestone=1.13.x
+      - label="Please Backport"
+    actions:
+      backport:
+        branches:
+          - 1.13.x
+        ignore_conflicts: True
+        label_conflicts: "bp-conflict"
+      label:
+        add: [Backported]
+
+  - name: label Mergify backport PR
+    conditions:
+      - body~=This is an automated backport of pull request \#\d+ done by Mergify
+    actions:
+      label:
+        add: [Backport]