Add a workaround for lightbend-labs/mima#422 (#1271)

* Add a workaround for lightbend-labs/mima#422

* Simplify the resolver value

Author: littleRoundaer

project/plugins.sbt

@@ -1,3 +1,6 @@
+// https://github.com/lightbend/mima/issues/422
+resolvers += sbt.Resolver.bintrayIvyRepo("typesafe", "sbt-plugins")
+
 addSbtPlugin("com.typesafe.sbt" % "sbt-ghpages" % "0.6.2")
 addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.3.2")
 addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.10")
@@ -16,4 +19,4 @@ addSbtPlugin("org.foundweekends" % "sbt-bintray" % "0.5.4")
 addSbtPlugin("com.lucidchart" % "sbt-scalafmt" % "1.15")
 
 // binary compatibility checks
-addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.3.0")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.3.0")