ci(mergify): upgrade configuration to current format

.mergify.yml

@@ -1,41 +1,45 @@
 queue_rules:
-    - name: default
-      conditions:
-          - status-success="Validate"
-          - status-success=license/cla
-          - status-success=lint_test_build
+  - name: Automatic boxmoji merge
+    queue_conditions:
+      - author=boxmoji
+      - base=master
+      - files~=^i18n/
+      - status-success="Validate"
+      - status-success=lint_test_build
+      - title~=^(fix)\(i18n\)?:\supdate translations$
+    merge_conditions:
+      - status-success="Validate"
+      - status-success=lint_test_build
+    merge_method: squash
+  - name: Automatic strict merge
+    queue_conditions:
+      - base=master
+      - "#approved-reviews-by>=2"
+      - "#changes-requested-reviews-by=0"
+      - "#review-requested=0"
+      - status-success="Validate"
+      - status-success=license/cla
+      - status-success=lint_test_build
+      - label=ready-to-merge
+      - label!=do-not-merge
+      - title~=^(build|ci|chore|docs|feat|fix|perf|refactor|revert|style|test)(\([^)]+\))?:\s.+$
+    merge_conditions:
+      - status-success="Validate"
+      - status-success=license/cla
+      - status-success=lint_test_build
+    merge_method: squash
+  - name: default
+    queue_conditions:
+      - status-success="Validate"
+      - status-success=license/cla
+      - status-success=lint_test_build
+    merge_conditions:
+      - status-success="Validate"
+      - status-success=license/cla
+      - status-success=lint_test_build
 
 pull_request_rules:
-    - name: Automatic boxmoji merge
-      conditions:
-          - author=boxmoji
-          - base=master
-          - files~=^i18n/
-          - status-success="Validate"
-          - status-success=license/cla
-          - status-success=lint_test_build
-          - title~=^(fix)\(i18n\)?:\supdate translations$
-      actions:
-          queue:
-              method: squash
-              name: default
-    - name: Automatic strict merge
-      conditions:
-          - base=master
-          - "#approved-reviews-by>=2"
-          - "#changes-requested-reviews-by=0"
-          - "#review-requested=0"
-          - status-success="Validate"
-          - status-success=license/cla
-          - status-success=lint_test_build
-          - label=ready-to-merge
-          - label!=do-not-merge
-          - title~=^(build|ci|chore|docs|feat|fix|perf|refactor|revert|style|test)(\([^)]+\))?:\s.+$
-      actions:
-          queue:
-              method: squash
-              name: default
-    - name: Automatic head deletion
-      conditions: []
-      actions:
-          delete_head_branch: {}
+  - name: Automatic merge
+    conditions: []
+    actions:
+      queue: