Merge pull request #569 from http4s/update/series/1.x/munit-1.0.3

Update munit to 1.0.3 in series/1.x

build.sbt

@@ -27,7 +27,7 @@ val versions = new {
   val log4cats = "2.7.0"
   val logback = "1.2.13"
   val micrometer = "1.9.2"
-  val munit = "1.0.2"
+  val munit = "1.0.3"
   val catsEffectMunit = "2.0.0"
 }