ci: fix regex pattern

.github/workflows/check_pr_description.yml

@@ -16,14 +16,14 @@ jobs:
           PR_BODY=$(curl -s https://api.github.com/repos/${{
             github.repository }}/pulls/${{ github.event.pull_request.number }} | jq -r .body)
           echo "$PR_BODY"
-          pattern="https://github\.com/([a-zA-Z0-9_-]+)/([a-zA-Z0-9_-]+)/issues/([0-9]+)"
+          pattern="Issue:\s+#\d+|Issue:\s+https://github\.com/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/issues/\d+"
           if [[ ! "$PR_BODY" =~ $pattern ]]; then
-            echo "Error: PR description must include an issue link in the format 'Issue:  # 123' or 'Issue: https://github.com/owner/repo/issues/123'." >&2
+            echo "Error: PR description must include an issue link in the format 'Issue: #123' or 'Issue: https://github.com/owner/repo/issues/123'." >&2
             exit 1
           else
             echo "PR description contains a valid issue link."
           fi
       - name: Fail PR if no issue link found
         if: failure()
         run: |-
-          echo "Please add an issue link in the format 'Issue: # 123' or 'Issue: https://github.com/owner/repo/issues/123' in the PR description."
+          echo "Please add an issue link in the format 'Issue: #123' or 'Issue: https://github.com/owner/repo/issues/123' in the PR description."