chore: add close inactive issues workflow

[zhyncs]

Motivation

When an issue has not been updated for more than a month, mark it as inactive and close it.

cc @merrymercy @Ying1123 @hnyls2002

I have tested it in my personal repository and there were no problems, but I am not sure if the repositories under the organization are also ok.

Modification

add GitHub workflow

Checklist

1. Ensure pre-commit pre-commit run --all-files or other linting tools are used to fix potential lint issues.
2. Confirm that modifications are covered by complete unit tests. If not, please add more unit tests for correctness.
3. Modify documentation as needed, such as docstrings or example tutorials.

[zhyncs]