Merge pull request #1919 from rabbitmq/mergify/michaelklishin/I10ae78dffb792f8a144011a3b7f23484dbb28d44

ci(Mergify): configuration update

Author: michaelklishin

.mergify.yml

@@ -0,0 +1,59 @@
+  pull_request_rules:
+    - name: Auto-merge Dependabot PRs (main)
+      conditions:
+        - author = dependabot[bot]
+        - base = main
+        - check-success = build
+        - check-success = Analyze (java)
+        - check-success = Analyze (python)
+      actions:
+        queue:
+          name: default
+
+    - name: Auto-merge Dependabot PRs (5.x.x-stable)
+      conditions:
+        - author = dependabot[bot]
+        - base = 5.x.x-stable
+        - check-success = build
+        - check-success = Analyze (java)
+        - check-success = Analyze (python)
+      actions:
+        queue:
+          name: default
+
+    - name: Auto-merge on label (main)
+      conditions:
+        - base = main
+        - label = automerge
+        - check-success = build
+        - check-success = Analyze (java)
+        - check-success = Analyze (python)
+      actions:
+        queue:
+          name: default
+
+    - name: Auto-merge on label (5.x.x-stable)
+      conditions:
+        - base = 5.x.x-stable
+        - label = automerge
+        - check-success = build
+        - check-success = Analyze (java)
+        - check-success = Analyze (python)
+      actions:
+        queue:
+          name: default
+
+    - name: Automatically backport to 5.x.x-stable
+      conditions:
+        - base = main
+        - label = backport-v5.x.x
+      actions:
+        backport:
+          branches:
+            - 5.x.x-stable
+          assignees:
+            - "{{ author }}"
+
+  queue_rules:
+    - name: default
+      merge_method: merge