make some tests pass on JDK 21

Author: SethTisue

test/files/run/sammy_after_implicit_view.scala

@@ -3,7 +3,7 @@ trait MySam { def apply(x: Int): String }
 // check that SAM conversion happens after implicit view application
 object Test extends App {
   final val AnonFunClass = "$anon$"
-  final val LMFClass = "$$Lambda$" // LambdaMetaFactory names classes like this
+  final val LMFClass = "$$Lambda" // LambdaMetaFactory names classes like this
 
   //  if there's an implicit conversion, it does not takes precedence (because that's what dotty does)
   def implicitSam() = {

test/files/run/sammy_restrictions_LMF.scala

@@ -15,7 +15,7 @@ trait TClassParent extends B { def apply(x: Int): String }
 
 object Test extends App {
   final val AnonFunClass = "$anonfun$"
-  final val LMFClass = "$$Lambda$" // LambdaMetaFactory names classes like this
+  final val LMFClass = "$$Lambda" // LambdaMetaFactory names classes like this
 
   private def LMF(f: Any): Unit = {
     val className = f.getClass.toString