Prepare for `4.6.2` release

Prepare for `4.6.1` release

Prepare for `4.6.0` release

It was necessary to manually set the `sqlite3` Gem version after the
release of version `1.4.0`.
See rails/rails#35153 for more info.

Prepare for `4.5.0` release

Prepare for 4.4.3 release

Prepare for 4.4.2 release

Prepare for 4.4.1 release

Don't run ruby `2.5.0` with rails `4.1`

rails/rails#25125

Version 4.3.0

Version 4.2.1