mergify: simplify and honour the defaults (#5168)

Author: v1v

.mergify.yml

@@ -24,19 +24,13 @@ pull_request_rules:
       - label=forwardport-main
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "main"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: ask to resolve conflict
     conditions:
       - -merged
       - -closed
       - conflict
-      - -author=apmmachine
     actions:
         comment:
           message: |
@@ -53,7 +47,7 @@ pull_request_rules:
       - -merged
       - -closed
       - conflict
-      - author=apmmachine
+      - author=github-actions[bot]
       - label=automation
     actions:
       close:
@@ -67,13 +61,8 @@ pull_request_rules:
       - label~=^(backport-v7.17.0|backport-7.17)$
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "7.17"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: notify the backport has not been merged yet
     conditions:
       - -merged
@@ -127,143 +116,88 @@ pull_request_rules:
       - label=backport-v8.6.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.6"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.7 branch
     conditions:
       - merged
       - label=backport-v8.7.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.7"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.8 branch
     conditions:
       - merged
       - label=backport-v8.8.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.8"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.9 branch
     conditions:
       - merged
       - label=backport-v8.9.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.9"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.10 branch
     conditions:
       - merged
       - label=backport-v8.10.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.10"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.11 branch
     conditions:
       - merged
       - label=backport-v8.11.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.11"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.12 branch
     conditions:
       - merged
       - label=backport-v8.12.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.12"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.13 branch
     conditions:
       - merged
       - label=backport-v8.13.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.13"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.14 branch
     conditions:
       - merged
       - label=backport-v8.14.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.14"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.15 branch
     conditions:
       - merged
       - label~=^(backport-v8.15.0|backport-8.15)$
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.15"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.16 branch
     conditions:
       - merged
       - label~=^(backport-v8.16.0|backport-8.16)$
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.16"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: notify the backport policy
     conditions:
       - -label~=^backport
@@ -286,26 +220,16 @@ pull_request_rules:
       - label=backport-8.17
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.17"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.18 branch
     conditions:
       - merged
       - label=backport-8.18
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "8.18"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 8.19 branch
     conditions:
       - merged
@@ -320,13 +244,8 @@ pull_request_rules:
       - label=backport-9.0
     actions:
       backport:
-        assignees:
-          - "{{ author }}"
         branches:
           - "9.0"
-        labels:
-          - "backport"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
   - name: backport patches to 9.1 branch
     conditions:
       - merged