Enhance inactive issues workflow to trigger on pull request events and restrict execution to specific PR number

.github/workflows/inactive-issues.yml

@@ -6,10 +6,18 @@ on:
     - cron: '0 1 * * *'
   # Allows to run this workflow manually from the Actions tab
   workflow_dispatch:
+  # Run when there's a push to a pull request
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths:
+      - '.github/scripts/inactive-issues.js'
+      - '.github/workflows/inactive-issues.yml'
 
 jobs:
   manage-inactive-issues:
     runs-on: ubuntu-latest
+    # Only run this workflow for PR #13775 when triggered by a pull_request event
+    if: ${{ github.event_name != 'pull_request' || github.event.pull_request.number == 13775 }}
     permissions:
       issues: write
     steps: