Merge pull request #303 from georchestra/backport-bot

chore: update backport bot

.github/workflows/backport.yml

@@ -2,11 +2,16 @@ name: Automatic backport action
 
 on:
   pull_request_target:
-    types: ["closed"]
+    types: ["closed", "labeled"]
+
+permissions:
+  contents: write # so it can comment
+  pull-requests: write # so it can create pull requests
 
 jobs:
   backport:
     name: Backport PR
+    if: github.event.pull_request.merged == true && !(contains(github.event.pull_request.labels.*.name, 'backport'))
     runs-on: ubuntu-latest
     steps:
       - name: Backport Action
@@ -21,4 +26,4 @@ jobs:
 
       - name: Debug log
         if: ${{ failure() }}
-        run: cat ~/.backport/backport.debug.log
+        run: cat ~/.backport/backport.debug.log