v0.28.0

What's changed

• Bump mu-scala (#248) @fedefernandez
• Only upgrade patch fixes in Scala (#246) @fedefernandez
• Update avrohugger-core to 1.0.0-RC25 (#243) @47erbot
• Update slf4j-nop to 1.7.33 (#245) @47erbot
• Update sbt-github, sbt-github-header, ... to 0.11.2 (#242) @47erbot

⚠️ Breaking changes

• Removes references to Monix (#247) @fedefernandez

Contributors to this release

@47erbot and @fedefernandez