Add EnumEntries to minimal-stdlib-for-tests

This change allows to revert adding `WITH_STDLIB` directive
to tests which happened at `a9343aeb`.

Co-authored-by: Alexander Udalov <Alexander.Udalov@jetbrains.com>

compiler/testData/diagnostics/tests/sealed/NeverEnum.txt

@@ -30,6 +30,7 @@ public sealed enum class SealedEnum : kotlin.Enum<SealedEnum> {
     }
 
     // Static members
+    public final /*synthesized*/ val entries: kotlin.enums.EnumEntries<SealedEnum>
     public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): SealedEnum
     public final /*synthesized*/ fun values(): kotlin.Array<SealedEnum>
 }

compiler/testData/diagnostics/tests/sealed/interfaces/simpleSealedInterface.txt

@@ -53,6 +53,7 @@ public final enum class C : kotlin.Enum<C>, Base {
     public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
 
     // Static members
+    public final /*synthesized*/ val entries: kotlin.enums.EnumEntries<C>
     public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): C
     public final /*synthesized*/ fun values(): kotlin.Array<C>
 }