Scalafix 0.13 with better Scala 3.3 LTS and 3.5 Next support

What's Changed

• Update scalafix-interfaces to 0.13.0 by @scala-steward in #203
• Add error message for missing rules by @megri in #204
• Update scala-library to 2.13.15 by @scala-steward in #201
• Update mill-main to 0.11.12 by @scala-steward in #197
• Update scalafix to 0.13.0 by @bishabosha in #202
• Pass scalaVersion to Scalafix as needed for Scalafix 0.13.0 by @lolgab in #205
• Cache Scalafix instances globally by @lolgab in #206

New Contributors

• @megri made their first contribution in #204
• @bishabosha made their first contribution in #202

Full Changelog: v0.4.1...v0.4.2