[K/N] Advance String(CharArray) deprecation level to ERROR

kotlin-native/backend.native/tests/harmony_regex/AllCodePointsTest.kt

@@ -27,7 +27,7 @@ class AllCodePointsTest {
 
     fun codePointToString(codePoint: Int): String {
         val charArray = Char.toChars(codePoint)
-        return String(charArray, 0, charArray.size)
+        return charArray.concatToString(0, charArray.size)
     }
 
     // TODO: Here is a performance problem: an execution of this test requires much more time than it in Kotlin/JVM.

kotlin-native/backend.native/tests/runtime/basic/hash0.kt

@@ -22,5 +22,5 @@ import kotlin.test.*
     a[2] = 'l'
     a[3] = 'l'
     a[4] = 'o'
-    println("Hello".hashCode() == String(a, 0, 5).hashCode())
+    println("Hello".hashCode() == a.concatToString(0, 5).hashCode())
 }

kotlin-native/backend.native/tests/runtime/basic/tostring2.kt

@@ -15,5 +15,5 @@ import kotlin.test.*
         print(" ")
     }
     println()
-    println(String(array, 0, array.size))
+    println(array.concatToString(0, array.size))
 }

kotlin-native/runtime/src/main/kotlin/kotlin/text/Strings.kt

@@ -291,6 +291,7 @@ public actual fun CharSequence.repeat(n: Int): String {
  * Converts the characters in the specified array to a string.
  */
 @Deprecated("Use CharArray.concatToString() instead", ReplaceWith("chars.concatToString()"))
+@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")
 public actual fun String(chars: CharArray): String = chars.concatToString()
 
 /**
@@ -300,6 +301,7 @@ public actual fun String(chars: CharArray): String = chars.concatToString()
  * or `offset + length` is out of [chars] array bounds.
  */
 @Deprecated("Use CharArray.concatToString(startIndex, endIndex) instead", ReplaceWith("chars.concatToString(offset, offset + length)"))
+@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")
 public actual fun String(chars: CharArray, offset: Int, length: Int): String {
     if (offset < 0 || length < 0 || offset + length > chars.size)
         throw ArrayIndexOutOfBoundsException()