Fix variable name

Author: koppor

.github/workflows/on-pr-closed.yml

@@ -21,7 +21,7 @@ jobs:
     permissions:
       contents: read
     outputs:
-      issue_number: ${{ steps.get_issue_number.outputs.issue_number }}
+      issue_number: ${{ steps.get_issue_number.outputs.ticketNumber }}
     steps:
       - name: echo PR data
         run: |

.github/workflows/on-pr-opened-updated.yml

@@ -22,7 +22,7 @@ jobs:
     permissions:
       contents: read
     outputs:
-      issue_number: ${{ steps.get_issue_number.outputs.issue_number }}
+      issue_number: ${{ steps.get_issue_number.outputs.ticketNumber }}
     steps:
       - name: echo PR data
         run: |