v0.7.1 - Added ability to customize dumping order in `.yaml()`, default as before

What's Changed

• Added ability to customize dumping order (i.e. disable alphanumeric sorting) by @NowanIlfideme in #25
• Bump actions/setup-python from 3 to 4 by @dependabot in #23
• Backwards-compatible sort order + bump by @NowanIlfideme in #26

Full Changelog: v0.7.0...v0.7.1