[Test] Update testdata of diagnostic tests during to change language to 1.5

Mostly this commit contains changes of descriptor dump of sealed classes
  tests according to changed visibility of sealed class constructor

compiler/testData/diagnostics/tests/valueClasses/valueClassDeclarationCheck.txt

@@ -152,7 +152,7 @@ package kotlin {
         }
 
         public sealed value class D3 {
-            private constructor D3(/*0*/ x: kotlin.Int)
+            internal constructor D3(/*0*/ x: kotlin.Int)
             public final val x: kotlin.Int
             public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
             public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
@@ -177,3 +177,4 @@ package kotlin {
         }
     }
 }
+