CI(backport): Fix backport action

.github/workflows/backport.yml

@@ -5,18 +5,21 @@ on:
     types: ["labeled", "closed"]
 
 jobs:
-  label_check:
+  label_checker:
     name: Check labels
-    uses: docker://agilepathway/pull-request-label-checker:latest
-    with:
-      prefix_mode: true
-      all_of: auto-backport-to-
-      repo_token: ${{ secrets.GITHUB_TOKEN }}
-      allow_failure: true
+    runs-on: ubuntu-latest
+    steps:
+      - id: check
+        uses: docker://agilepathway/pull-request-label-checker:latest
+        with:
+          prefix_mode: true
+          all_of: auto-backport-to-
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          allow_failure: true
 
   backport:
     name: Backport PR
-    if: github.event.pull_request.merged == true && steps.label_check.outputs.label_check == 'success'
+    if: github.event.pull_request.merged == true && label_checker.steps.check.outputs.label_check == 'success'
     runs-on: ubuntu-latest
     steps:
       - name: Backport Action