v1.16.0

What's Changed

• Update jsoniter-scala-core, ... to 2.13.39 by @scala-steward in #49
• Update mill-main to 0.11.7 by @scala-steward in #51
• Update jsoniter-scala-core, ... to 2.28.3 by @scala-steward in #53
• Update jsoniter-scala-core, ... to 2.28.4 by @scala-steward in #54
• Update scala-library to 2.13.13 by @scala-steward in #52
• Bump coursier launchers to 2.1.9 by @Gedochao in #57
• Bump os-lib to 0.9.3 by @Gedochao in #56
• Bump Scala.js to 1.16.0 by @Gedochao in #55
• Fix Mill default versions to 0.11.7 by @Gedochao in #58

Full Changelog: v1.15.0.1...v1.16.0