ci: signing plugin removed

fix(deps): update dependency io.circe:circe-core_2.13 to v0.14.7

Update dependency org.scalatest:scalatest_2.13 to v3.3.0-SNAP3

fix(deps): update dependency org.scala-lang:scala-library to v2.13.10

chore(deps): circe 0.14.1

feat: regex removal (#27)

chore: Scala library updated to 2.13.6 and 2.12.14

chore: signing plugin added

chore(deps): update dependency gradle to v7.1

Merge pull request #21 from avast/implicits-in-companion-objects

Move Circe instances to companion objects