Update junit-platform-launcher to 6.1.2 (#1157)

Co-authored-by: Philippus Baalman <philippus@gmail.com>

Author: scala-steward

build.sbt

@@ -29,7 +29,7 @@ ThisBuild / javafmtFormatterCompatibleJavaVersion := 17
 ThisBuild / javafmtSortImports := false
 
 ThisBuild / JupiterKeys.junitJupiterVersion := "6.1.2"
-ThisBuild / JupiterKeys.junitPlatformVersion := "6.1.1"
+ThisBuild / JupiterKeys.junitPlatformVersion := "6.1.2"
 
 addCommandAlias("checkCodeStyle", "scalafmtCheckAll; scalafmtSbtCheck; javafmtCheckAll; +headerCheckAll")
 addCommandAlias("applyCodeStyle", "+headerCreateAll; scalafmtAll; scalafmtSbt; javafmtAll")