[K/N] Mark MutableList.replaceAll with ExperimentalNativeApi

As a part of efforts to stabilize Native stdlib #KT-55765.

libraries/stdlib/native-wasm/src/kotlin/collections/Collections.kt

@@ -56,17 +56,6 @@ internal actual inline fun <E> buildListInternal(capacity: Int, builderAction: M
 }
 
 
-/**
- * Replaces each element in the list with a result of a transformation specified.
- */
-public fun <T> MutableList<T>.replaceAll(transformation: (T) -> T) {
-    val it = listIterator()
-    while (it.hasNext()) {
-        val element = it.next()
-        it.set(transformation(element))
-    }
-}
-
 /**
  * Groups elements from the [Grouping] source by key and counts elements in each group.
  *

libraries/stdlib/native-wasm/src/kotlin/text/regex/sets/JointSet.kt

@@ -79,6 +79,7 @@ open internal class JointSet(children: List<AbstractSet>, fSet: FSet) : Abstract
             assert(newFSet == fSet)
         }
 
+        @OptIn(ExperimentalNativeApi::class)
         children.replaceAll { child -> if (!child.secondPassVisited) child.processSecondPass() else child }
         return super.processSecondPassInternal()
     }