fix mergify job names

so it matches github action job name

.mergify.yml

@@ -8,29 +8,29 @@ pull_request_rules:
     conditions:
     - label!=work-in-progress
     - '#approved-reviews-by>=1'
-    - status-success=doc (docs)
-    - status-success=doc (docs-gnocchi-web)
+    - check-success=doc (docs)
+    - check-success=doc (docs-gnocchi-web)
 
-    - status-success=check (pep8)
+    - check-success=check (pep8)
 
-    - status-success=test (py36-postgresql-file-upgrade-from-4.3)
-    - status-success=test (py36-mysql-file)
-    - status-success=test (py36-mysql-swift)
-    - status-success=test (py36-mysql-s3)
-    - status-success=test (py36-postgresql-file)
-    - status-success=test (py36-postgresql-swift)
-    - status-success=test (py36-postgresql-s3)
+    - check-success=test (py36, postgresql-file-upgrade-from-4.3)
+    - check-success=test (py36, mysql-file)
+    - check-success=test (py36, mysql-swift)
+    - check-success=test (py36, mysql-s3)
+    - check-success=test (py36, postgresql-file)
+    - check-success=test (py36, postgresql-swift)
+    - check-success=test (py36, postgresql-s3)
 
-    - status-success=test (py38-mysql-ceph-upgrade-from-4.3)
-    - status-success=test (py38-postgresql-file-upgrade-from-4.3)
-    - status-success=test (py38-mysql-file)
-    - status-success=test (py38-mysql-swift)
-    - status-success=test (py38-mysql-s3)
-    - status-success=test (py38-mysql-ceph)
-    - status-success=test (py38-postgresql-file)
-    - status-success=test (py38-postgresql-swift)
-    - status-success=test (py38-postgresql-s3)
-    - status-success=test (py38-postgresql-ceph)
+    - check-success=test (py38, mysql-ceph-upgrade-from-4.3)
+    - check-success=test (py38, postgresql-file-upgrade-from-4.3)
+    - check-success=test (py38, mysql-file)
+    - check-success=test (py38, mysql-swift)
+    - check-success=test (py38, mysql-s3)
+    - check-success=test (py38, mysql-ceph)
+    - check-success=test (py38, postgresql-file)
+    - check-success=test (py38, postgresql-swift)
+    - check-success=test (py38, postgresql-s3)
+    - check-success=test (py38, postgresql-ceph)
 
   - name: automatic merge backports from Mergify
     actions:
@@ -42,7 +42,7 @@ pull_request_rules:
     - base~=^stable/.*
     - label!=work-in-progress
     - author=mergify[bot]
-    - status-success=Travis CI - Pull Request
+    - check-success=Travis CI - Pull Request
 
   - name: dismiss reviews on additional commit
     actions: