Update munit to 1.2.1 (#840)

Co-authored-by: scala-steward-asf[bot] <147768647+scala-steward-asf[bot]@users.noreply.github.com>

project/Dependencies.scala

diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index c26651f..c9959d9 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -78,7 +78,7 @@
       val sprayJson = Compile.sprayJson % "test"
       val junit = Compile.junit % "test"
       val specs2 = "org.specs2" %% "specs2-core" % "4.22.0"
-      val munit = "org.scalameta" %% "munit" % "1.2.0"
+      val munit = "org.scalameta" %% "munit" % "1.2.1"
 
       val scalacheck = "org.scalacheck" %% "scalacheck" % scalaCheckVersion % "test"
       val junitIntf = "com.github.sbt" % "junit-interface" % "0.13.3" % "test"