Eazy

Remove testing on ``python<=3.8``.

**Full Changelog**: https://github.com/gbrammer/eazy-py/compare/0.6.7...0.6.8

What's Changed
* LOWZ brown dwarf templates by gbrammer in https://github.com/gbrammer/eazy-py/pull/36
* Update installation of dust packages by larrybradley in https://github.com/gbrammer/eazy-py/pull/35


**Full Changelog**: https://github.com/gbrammer/eazy-py/compare/0.6.6...0.6.7

What's Changed
* Add dust_attenuation and dust_extinction to setup as required dependencies by larrybradley in https://github.com/gbrammer/eazy-py/pull/30


**Full Changelog**: https://github.com/gbrammer/eazy-py/compare/0.6.5...0.6.6

What's Changed
* Fix catalog reader for csv files by larrybradley in https://github.com/gbrammer/eazy-py/pull/31
* "Sonora" brown dwarf templates in eazy format by gbrammer in https://github.com/gbrammer/eazy-py/pull/33
* Add link to Sonora PR by gbrammer in https://github.com/gbrammer/eazy-py/pull/34

New Contributors
* larrybradley made their first contribution in https://github.com/gbrammer/eazy-py/pull/31

**Full Changelog**: https://github.com/gbrammer/eazy-py/compare/0.6.4...0.6.5

What's Changed
* Clean package data by gbrammer in https://github.com/gbrammer/eazy-py/pull/28
* Update __init__.py by JacobKosowski in https://github.com/gbrammer/eazy-py/pull/29

New Contributors
* JacobKosowski made their first contribution in https://github.com/gbrammer/eazy-py/pull/29

**Full Changelog**: https://github.com/gbrammer/eazy-py/compare/0.6.3...0.6.4

What's Changed
* Use smoothing functions from `sedpy` by gbrammer in https://github.com/gbrammer/eazy-py/pull/27


**Full Changelog**: https://github.com/gbrammer/eazy-py/compare/0.6.2...0.6.3