Update mergify Python targets

Author: Billyzhang1229

.mergify.yml

@@ -2,9 +2,9 @@ queue_rules:
   - name: default
     conditions:
       - base=main
-      - status-success=build (3.10)
       - status-success=build (3.11)
-      - status-success=win_build (3.10)
+      - status-success=build (3.12)
+      - status-success=win_build (3.11)
       - approved-reviews-by=@sgkit-dev/committers
       - "#approved-reviews-by>=1"
       - label=auto-merge
@@ -13,9 +13,9 @@ pull_request_rules:
   - name: automatic merge
     conditions:
       - base=main
-      - status-success=build (3.10)
       - status-success=build (3.11)
-      - status-success=win_build (3.10)
+      - status-success=build (3.12)
+      - status-success=win_build (3.11)
       - approved-reviews-by=@sgkit-dev/committers
       - "#approved-reviews-by>=1"
       - label=auto-merge