v4.0.0

What’s Changed

• Automate releases with sbt-ci-release (#17) @dwickern
• Add support for Play 3.0 (#16) @dwickern
• add support for Scala 3 (#15) @dwickern
• add support for Play 2.9 (#14) @dwickern
• downgrade Play dependency to 2.8.0 (#10) @dwickern