Update sbt-scoverage to 2.0.6 (#669)

* Update sbt-scoverage to 2.0.6

* Scala-XML VersionScheme.Always in the refined project only

Co-authored-by: typelevel-steward[bot] <106827141+typelevel-steward[bot]@users.noreply.github.com>
Co-authored-by: Grigory Pomadchin <grigory.pomadchin@disneystreaming.com>

build.sbt

@@ -191,7 +191,17 @@ lazy val datasetSettings = framelessSettings ++ framelessTypedDatasetREPL ++ Seq
 )
 
 lazy val refinedSettings = framelessSettings ++ framelessTypedDatasetREPL ++ Seq(
-  libraryDependencies += "eu.timepit" %% "refined" % refinedVersion
+  libraryDependencies += "eu.timepit" %% "refined" % refinedVersion,
+  /**
+    * The old Scala XML is pulled from Scala 2.12.x.
+    *
+    * [error] (update) found version conflict(s) in library dependencies; some are suspected to be binary incompatible:
+    * [error]
+    * [error] 	* org.scala-lang.modules:scala-xml_2.12:2.1.0 (early-semver) is selected over 1.0.6
+    * [error] 	    +- org.scoverage:scalac-scoverage-reporter_2.12:2.0.7 (depends on 2.1.0)
+    * [error] 	    +- org.scala-lang:scala-compiler:2.12.16              (depends on 1.0.6)
+    */
+  libraryDependencySchemes += "org.scala-lang.modules" %% "scala-xml" % VersionScheme.Always
 )
 
 lazy val mlSettings = framelessSettings ++ framelessTypedDatasetREPL

project/plugins.sbt

@@ -1,4 +1,4 @@
 val sbtTypelevelVersion = "0.4.16"
 addSbtPlugin("org.typelevel" % "sbt-typelevel-ci-release" % sbtTypelevelVersion)
 addSbtPlugin("org.typelevel" % "sbt-typelevel-site"       % sbtTypelevelVersion)
-addSbtPlugin("org.scoverage" % "sbt-scoverage"            % "2.0.0")
+addSbtPlugin("org.scoverage" % "sbt-scoverage"            % "2.0.6")