Bump version to 2.6.0

Pin version to 2.5.2

Bump version to 2.5.1

Bump version to 2.5.0, update CHANGELOG

Bump version to 2.4.2

Bump version to 2.4.1

Update changelog and bump version

Bump version and prep 2.3.0 release

Update CHANGELOG, bump version

Fix rubocop errors due to Rubocop 0.51.0 -> 0.53.0 bump