Emil 0.9.1

What's Changed

Thank you @sideeffffect for all this ci/github-actions work!

• Add jdk11 to ci matrix (#188, #184) @eikek
• Properly label PRs from Scala Steward (#189) @sideeffffect
• Hide (possibly) many tests behind one ci job (#187) @sideeffffect
• Update sbt to 1.5.0 (#185) @scala-steward
• Start using sbt-ci-release (#182) @sideeffffect
• GHA: run installed sbt (#183) @sideeffffect
• Start using GitHub Actions (#181) @sideeffffect
• Update minitest, minitest-laws to 2.9.4 (#180) @scala-steward
• Update sbt-microsites to 1.3.3 (#179) @scala-steward
• Scalafix enforce (#178) @sideeffffect

Breaking

• Update jakarta.mail to 2.0.1 (#186) @scala-steward