Dependency updates + release process improvements

What’s Changed

• Update sbt-ci-release to 1.5.6 (#243) @scala-steward
• Update sbt to 1.4.8 (#239) @scala-steward
• Update scalatest to 3.2.6 (#240) @scala-steward
• Update upickle to 1.3.0 (#241) @scala-steward
• Update jackson-core to 2.12.2 (#236) @scala-steward
• Update jackson-dataformat-protobuf to 2.12.2 (#237) @scala-steward
• Update jackson-dataformat-avro to 2.12.2 (#238) @scala-steward
• Update json4s-core, json4s-jackson, ... to 3.6.11 (#235) @scala-steward
• Update scalatest to 3.2.5 (#234) @scala-steward
• Update scalatest to 3.2.4 (#233) @scala-steward
• Update sbt-protoc to 1.0.1 (#232) @scala-steward
• Add sbt-mima-plugin (#231) @azhur
• Add release-drafter (#230) @azhur
• Github actions (#229) @azhur

Github actions + auto release

v0.6.1

cosmetic

ScalaPB + dependency updates

v0.6.0

Releasing 0.6.0

Scala 2.13 support

Scala 2.13 support along with bumps for all libraries

Jackson: json and binary

v0.4.0

Releasing 0.4.0

Add jsoniter-scala

v0.2.0

Releasing 0.2.0