What's Changed
* Fix CI and replace numpy.NaN with numpy.nan by tobias-urdin in https://github.com/gnocchixyz/gnocchi/pull/1400
* Remove the use of the future module (backport 1366) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1398
* redis: Fix types of some options (backport 1372) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1401
* redis: Add username (backport 1375) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1402
* Redis: Fix sentinel fallbacks with IPv6 address (backport 1374) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1403
* Support authentication and SSL for redis sentinel (backport 1376) by tobias-urdin in https://github.com/gnocchixyz/gnocchi/pull/1404
**Full Changelog**: https://github.com/gnocchixyz/gnocchi/compare/4.6.2...4.6.3