0.3.0

🥳 This is the first release for stable Scala 3! 🥳

Scala versions:

• add 2.13.6 w/ -Xsource:3 compiler flag.
• add support for 3.0.1
• drop 3.0.0-RC1, 3.0.0-RC2

Dependency upgrades:

• cats 2.6.2
• sprout 0.0.5

internals

• bump scalafmt to 3.0.0-RC6 — from 2.7.5
• bump sbt to 1.5.5
• bump sbt-spiewak to 0.21.0
• bump sbt-scalafmt to 2.4.3
• bump sbt-scalajs-crossproject to 1.1.0
• bump sbt-scalajs to 1.6.0