ci(mergify): upgrade configuration to current format

Author: mergify[bot]

.github/mergify.yml

@@ -1,51 +1,52 @@
 pull_request_rules:
-- name: auto-merge
-  description: >
-    Automatic merge of PRs to main
-  conditions:
-    - "#approved-reviews-by>=2"
-    - "#changes-requested-reviews-by=0"
-    - base=main
-    - label!=do-not-merge
-    - label!=needs-rebase
-    - check-success=pre-commit
-    - check-success=e2e-tests
-    - check-success=DCO
-    - check-success=tests
+  - name: auto-merge
+    description: >
+      Automatic merge of PRs to main
+    conditions:
+      - "#approved-reviews-by>=2"
+      - "#changes-requested-reviews-by=0"
+      - base=main
+      - label!=do-not-merge
+      - label!=needs-rebase
+      - check-success=pre-commit
+      - check-success=e2e-tests
+      - check-success=DCO
+      - check-success=tests
     # - check-success=build-latest-image # TODO: uncomment this when the credentials are added to the repo
 
-  actions:
-    merge:
-      method: squash
-      commit_message_template: |
-        {{ title }} (#{{ number }})
+    actions:
+      merge:
+        method: squash
+        commit_message_template: |
+          {{ title }} (#{{ number }})
 
-        {{ body }}
+          {{ body }}
 
-        {% for user in approved_reviews_by %}
-        Approved-by: {{ user }}
-        {% endfor %}
-    delete_head_branch:
+          {% for user in approved_reviews_by %}
+          Approved-by: {{ user }}
+          {% endfor %}
 
-- name: ping author on conflicts and add 'needs-rebase' label
-  conditions:
+  - name: ping author on conflicts and add 'needs-rebase' label
+    conditions:
       - conflict
       - -closed
-  actions:
-    label:
-      add:
-        - needs-rebase
-    comment:
-      message: >
-       This pull request has merge conflicts that must be resolved before it
-       can be merged. @{{author}} please rebase it.
-       https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/syncing-a-fork
+    actions:
+      label:
+        add:
+          - needs-rebase
+      comment:
+        message: >
+          This pull request has merge conflicts that must be resolved before it
+          can be merged. @{{author}} please rebase it.
+          https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/syncing-a-fork
 
-- name: remove 'needs-rebase' label when conflict is resolved
-  conditions:
+  - name: remove 'needs-rebase' label when conflict is resolved
+    conditions:
       - -conflict
       - -closed
-  actions:
-    label:
-      remove:
-        - needs-rebase
+    actions:
+      label:
+        remove:
+          - needs-rebase
+merge_protections_settings:
+  reporting_method: check-runs