Add the sbt-ci-release plugin

Author: armanbilge

build.sbt

@@ -12,7 +12,6 @@ ThisBuild / crossScalaVersions := {
 ThisBuild / scalaVersion := crossScalaVersions.value.head
 
 val commonSettings = Seq(
-  version := "1.2.0-SNAPSHOT",
   organization := "org.scala-js",
   scalacOptions ++= Seq("-deprecation", "-feature", "-Xfatal-warnings")
 )
@@ -66,21 +65,6 @@ scalacOptions ++= {
   else Nil
 }
 
-scmInfo := Some(ScmInfo(
-    url("https://github.com/scala-js/scala-js-dom"),
-    "scm:git:git@github.com:scala-js/scala-js-dom.git",
-    Some("scm:git:git@github.com:scala-js/scala-js-dom.git")))
-
-publishMavenStyle := true
-
-publishTo := {
-  val nexus = "https://oss.sonatype.org/"
-  if (isSnapshot.value)
-    Some("snapshots" at nexus + "content/repositories/snapshots")
-  else
-    Some("releases" at nexus + "service/local/staging/deploy/maven2")
-}
-
 pomExtra := (
     <developers>
       <developer>

project/plugins.sbt

@@ -6,3 +6,5 @@ addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)
 addSbtPlugin("com.lihaoyi" % "scalatex-sbt-plugin" % "0.3.11")
 
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.0.0")
+
+addSbtPlugin("com.geirsson" % "sbt-ci-release" % "1.5.7")