Vulcan v1.8.4

Changes

• Bump all dependencies (#489) @lucaviolanti
• Add explicit dependency to jackson core/databind (#491) @lucaviolanti
• Expand ADT for codecs (#462) @bplommer
• Update cats-free, cats-testkit to 2.8.0 (#457) @scala-steward
• Update discipline-scalatest to 2.2.0 (#458) @scala-steward
• Update scala3-library to 3.1.3 (#456) @scala-steward
• Update scala-library, scala-reflect to 2.12.16 (#455) @scala-steward
• Update shapeless3-deriving to 3.1.0 (#452) @scala-steward
• Update refined, refined-scalacheck to 0.9.29 (#449) @scala-steward
• Add a test to verify that enum are decoded even if the namespace does not match (#453) @filosganga
• Update magnolia to 1.1.4 (#454) @scala-steward
• Update scala-collection-compat to 2.8.0 (#459) @scala-steward
• Update sbt to 1.7.1 (#460) @scala-steward
• Update magnolia to 1.1.2 (#446) @scala-steward
• Update scala3-library to 3.1.2 (#440) @scala-steward
• Update sbt-header to 5.7.0 (#441) @scala-steward
• Validate schemas when instantiating codecs (#438) @bplommer
• Update sbt-mima-plugin to 1.1.0 (#439) @scala-steward
• Construct most codecs via combinators from a few primitives (#435) @bplommer
• Use record/union APIs to create Magnolia codecs (#436) @bplommer