Fix changelog entry date (#127)
Fix changelog entry date (#127)

* Fix changelog entry date

We are in 2021 now.

* Update CHANGELOG.md

Co-authored-by: David Hewitt <84f719771fcd94ec944085ed17f0b983363dadcc@users.noreply.github.com>

Co-authored-by: David Hewitt <84f719771fcd94ec944085ed17f0b983363dadcc@users.noreply.github.com>
PyO3/setuptools-rust,PyO3/setuptools-rust