[v0.19.1] Fixed scope namespaces

Key changes

• Fixed scope namespaces in list decoders (pr - #261).
• Updated dependency versions.

What's Changed

• Update sbt-pgp to 2.2.1 by @scala-steward in #259
• Update enumeratum to 1.7.2 by @scala-steward in #257
• Update sbt-git to 2.0.1 by @scala-steward in #258
• Fix scope namespaces for lists by @valentiay in #261

Full Changelog: v0.19.0...v0.19.1