mergify: reindent file properly

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

.mergify.yml

@@ -3,54 +3,54 @@ pull_request_rules:
   - actions:
       backport:
         branches:
-        - stable-3.0
+          - stable-3.0
     conditions:
       - label=backport-stable-3.0
     name: backport stable-3.0
   - actions:
       backport:
         branches:
-        - stable-3.1
+          - stable-3.1
     conditions:
       - label=backport-stable-3.1
     name: backport stable-3.1
   - actions:
       backport:
         branches:
-        - stable-3.2
+          - stable-3.2
     conditions:
       - label=backport-stable-3.2
     name: backport stable-3.2
   - actions:
       backport:
         branches:
-        - stable-4.0
+          - stable-4.0
     conditions:
       - label=backport-stable-4.0
     name: backport stable-4.0
   - actions:
       backport:
         branches:
-        - stable-5.0
+          - stable-5.0
     conditions:
       - label=backport-stable-5.0
     name: backport stable-5.0
   - actions:
       backport:
         branches:
-        - stable-6.0
+          - stable-6.0
     conditions:
       - label=backport-stable-6.0
     name: backport stable-6.0
   - actions:
       backport:
         branches:
-        - stable-7.0
+          - stable-7.0
     conditions:
       - label=backport-stable-7.0
     name: backport stable-7.0
 commands_restrictions:
   backport:
     conditions:
-    - base=main
+      - base=main
-    - number<0
+      - number<0