Mergify update (release-depot#81)

The conditions should use 'check-success' not 'status-success.'

Without manually individually indicating which jobs need to pass, this
doesn't work.

Author: jpichon

.mergify.yml

@@ -7,10 +7,11 @@ pull_request_rules:
       conditions:
           - label!=no-mergify
           - '#approved-reviews-by>=1'
-          - status-success=Run tests / test (2.7)
-          - status-success=Run tests / test (3.6)
-          - status-success=Run tests / test (3.8)
-          - status-success=Run tests / test (3.9)
-          - status-success=Run tests / flake8
-          - status-success=Run tests / integration
+          - check-success=flake8
+          - check-success=integration
+          - check-success=test (2.7)
+          - check-success=test (3.6)
+          - check-success=test (3.7)
+          - check-success=test (3.8)
+          - check-success=test (3.9)
       name: default