Print UTF-8 string using GNAT.IO in Report_Jekyll

Fixes #1456

src/alr/alr-commands-show.adb

@@ -13,6 +13,8 @@ with Alire.Solver;
 with Alire.Utils.Tables;
 with Alire.Utils.TTY;
 
+with GNAT.IO;
+
 with Semantic_Versioning.Extended;
 
 package body Alr.Commands.Show is
@@ -232,14 +234,14 @@ package body Alr.Commands.Show is
             then Cmd.Root.Release
             else Cmd.Find_Target_Release (Name, Versions, Current));
       begin
-         Put_Line ("---");
-         Put_Line ("layout: crate");
+         GNAT.IO.Put_Line ("---");
+         GNAT.IO.Put_Line ("layout: crate");
          --  TODO: conditional expressions can't be exported yet, we report in
          --  the interim the ones that apply to the current system.
-         Put_Line (Rel.Whenever (Platform.Properties).To_YAML);
-         Put_Line ("---");
-         Put_Line (Rel.Long_Description);
-         Put_Line (Rel.Notes);
+         GNAT.IO.Put_Line (Rel.Whenever (Platform.Properties).To_YAML);
+         GNAT.IO.Put_Line ("---");
+         GNAT.IO.Put_Line (Rel.Long_Description);
+         GNAT.IO.Put_Line (Rel.Notes);
       end;
    exception
       when Alire.Query_Unsuccessful =>