What's Changed
* build: Require Python 3.6+ for install by matthewfeickert in https://github.com/HEPData/hepdata_lib/pull/221
* chore: Apply pyupgrade --py36-plus by matthewfeickert in https://github.com/HEPData/hepdata_lib/pull/223
**Full Changelog**: https://github.com/HEPData/hepdata_lib/compare/v0.11.1...v0.12.0