adjust MiMa settings, post-1.1.0 (#281)

build.sbt

@@ -1,19 +1,13 @@
 ThisBuild / crossScalaVersions := Seq("2.13.15", "3.3.4")
 ThisBuild / scalaVersion := (ThisBuild / crossScalaVersions).value.head
 
-// we can remove this after we ship 1.0.5; see #273 for gory details
-import com.typesafe.tools.mima.core._
-ThisBuild / mimaBinaryIssueFilters ++= Seq(
-  ProblemFilters.exclude[IncompatibleSignatureProblem]("*"),
-)
-
 Global / cancelable := true
 publish / skip := true // in root
 
 lazy val commonSettings: Seq[Setting[_]] =
   Seq(scalaModuleAutomaticModuleName := Some("scala.collection.parallel")) ++
   ScalaModulePlugin.scalaModuleSettings ++ Seq(
-    versionPolicyIntention := Compatibility.BinaryCompatible,
+    versionPolicyIntention := Compatibility.BinaryAndSourceCompatible,
     Compile / compile / scalacOptions --= (CrossVersion.partialVersion(scalaVersion.value) match {
       case Some((3, _)) => Seq("-Xlint")
       case _            => Seq()