update close issue ci

Author: NullPointerException

.github/workflows/close-issues.yml

@@ -40,7 +40,8 @@ jobs:
                   owner: context.repo.owner,
                   repo: context.repo.repo,
                   issue_number: issueNumber,
-                  state: "closed"
+                  state: "closed",
+                  state_reason: "not_planned"
                 });
               }
             }