ci(mergify): upgrade configuration to current format

Author: mergify[bot]

.mergify.yml

@@ -1,4 +1,3 @@
----
 defaults:
   actions:
     update:
@@ -18,7 +17,6 @@ queue_rules:
     # only queue PRs that have completely been tested and reviewed
     queue_conditions:
       - and:
-          # requirements for any branch
           - label!=DNM
           - "#approved-reviews-by>=2"
           - "#changes-requested-reviews-by=0"
@@ -27,7 +25,6 @@ queue_rules:
           - "status-success=DCO"
           - or:
               - and:
-                  # requirements for non ci/centos branches
                   - base!=ci/centos
                   - "status-success=codespell"
                   - "status-success=go-test"
@@ -37,15 +34,11 @@ queue_rules:
                   - "status-success=multi-arch-build"
                   - "status-success=uncommitted-code-check"
                   - or:
-                      # dependabot has an invalid signed-off-by
                       - author=dependabot[bot]
                       - "status-success=commitlint"
-              # exclude the ci/centos branch from above status checks
               - base=ci/centos
           - or:
-              # requirenents per branch
               - and:
-                  # ci/skip/e2e label has no meaning on ci/centos
                   - base!=ci/centos
                   - label=ci/skip/e2e
               - and:
@@ -88,11 +81,9 @@ queue_rules:
                   - "status-success=ci/centos/upgrade-tests-cephfs"
                   - "status-success=ci/centos/upgrade-tests-rbd"
               - and:
-                  # requirements for ci/centos branch
                   - base=ci/centos
                   - "status-success=ci/centos/job-validation"
                   - "status-success=ci/centos/jjb-validate"
-
 merge_queue:
   max_parallel_checks: 1
 
@@ -104,12 +95,10 @@ pull_request_rules:
       - label!=conflicts
       - label!=ci/skip/e2e
       - label!=ci/in-progress/e2e
-      - not:
-          check-pending~=^ci/centos
-      - not:
-          status-success~=^ci/centos
+      - not: check-pending~=^ci/centos
+      - not: status-success~=^ci/centos
       - or:
-          - "check-pending=Queue: Embarked in merge queue"
+          - queue-position >= 0
           - author=mergify[bot]
     actions:
       label: