mdoc v2.2.16

What’s Changed

• Handle Dotty versions like 0.27.0-RC1 (#450) @sideeffffect
• Add legacy version to check for in test release (#448) @tgodzik
• Make older Scala 2.12 versions work (#447) @tgodzik
• Update scala 2.12 to 2.12.13 (#445) @tgodzik
• Update scalameta to 4.4.4 (#442) @tgodzik
• Fix release issues with scala3Doc (#441) @tgodzik
• Update sbt and dotty plugin (#440) @tgodzik
• Update undertow-core to 2.2.3.Final (#435) @scala-steward
• Update sbt-ci-release to 1.5.5 (#434) @scala-steward
• Update xnio-nio to 3.8.4.Final (#436) @scala-steward
• Update scalacheck to 1.15.2 (#438) @scala-steward