[fix] Sync bot-autoassign-pr-issue-link with openwisp-utils

Author: Eeshu-Yadav

.github/workflows/bot-autoassign-pr-issue-link.yml

@@ -1,13 +1,13 @@
 name: PR Issue Auto-Assignment
 on:
   pull_request_target:
-    types: [opened, closed]
+    types: [opened, reopened, closed]
 permissions:
   contents: read
   issues: write
   pull-requests: read
 concurrency:
-  group: bot-autoassign-pr-link-${{ github.repository }}-${{ github.event.pull_request.number }}
+  group: bot-autoassign-pr-link-${{ github.repository }}-${{ github.event.pull_request.number }}-${{ github.event.action }}
   cancel-in-progress: true
 jobs:
   auto-assign-issue: