v1.2.1 - Requirement changes

NOTE: if you haven't pinned ruamel-yaml you may have errors; make sure to pin ruamel-yaml~=0.17.40 in that case.

What's Changed

• Bump ruff from 0.0.291 to 0.1.5 by @dependabot in #125
• Bump black from 23.3.0 to 23.11.0 by @dependabot in #124
• Update ruamel-yaml requirement from <0.18.0,>=0.16.0 to >=0.16.0,<0.19.0 by @dependabot in #120

Full Changelog: v1.2.0...v1.2.1