v0.12.1: Patch updates, import fix for sub-packages

What's Changed

• Update sbt, sbt-dependency-tree to 1.6.2 by @scala-steward in #91
• Update os-lib to 0.8.1 by @scala-steward in #90
• Update scala3-library, ... to 3.1.1 by @scala-steward in #92
• Update http4s-circe, http4s-client, ... to 0.22.11 by @scala-steward in #93
• Update http4s-circe, http4s-client, ... to 0.23.10 by @scala-steward in #94
• Update jsoniter-scala-core to 2.12.4 by @scala-steward in #95
• Update sbt-header to 5.6.5 by @scala-steward in #97
• fix for imports from sub-packages by @lewisjkl in #98

Full Changelog: v0.12.0...v0.12.1