[build] Update sbt-mima-plugin to 1.1.6

Author: scala-steward

project/plugins.sbt

@@ -3,7 +3,7 @@ addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.11.0")
 addSbtPlugin("com.eed3si9n.ifdef" % "sbt-ifdef" % "0.4.1")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.12.0")
 addSbtPlugin("com.github.sbt" % "sbt-git" % "2.1.0")
-addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.5")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.6")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.21.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.12")
 addSbtPlugin("org.typelevel" % "sbt-tpolecat" % "0.5.5")