add GitHub Actions, drop Travis-CI

[SethTisue]

references scala/scala-dev#785
references scala/sbt-scala-module#141

[SethTisue]

leaving as draft for now until I've tried publishing from at least one of the other module repos I'm doing

[SethTisue]

[error] Incompatibilities with dependencies of scala-parallel-collections:1.0.3
[error]   org.scala-lang:scala3-library_3: incompatible version change from 3.0.0 to 3.0.2 (compatibility: package versioning policy)

this was happening even before I threw in the 3.0.1->3.0.2 upgrade

it is reproducible locally with ++3.0.2 followed by core/versionPolicyReportDependencyIssues

@julienrf is this one you've seen before, is it obvious to you how to handle this? note that it's complaining about scala3-library_3 itself

[julienrf]

is it obvious to you how to handle this? note that it's complaining about scala3-library_3 itself

scala3-library does not seem to declare a versionScheme, so sbt assumes “package versioning policy” by default. We can set the versionScheme ourselves here by adding this to the build (e.g., in commonSettings):

libraryDependencySchemes += "org.scala-lang" %% "scala3-library" % "semver-spec"

[SethTisue]

leaving as draft for now until I've tried publishing from at least one of the other module repos I'm doing

scala/scala-parser-combinators#418 finally made it over the finish line