Resolve the issue returning tuple

This issue only happens with binary output format, executing query like:

    select ((insert A), true);

The fix is simply applying the returns_record fix to tuples:

070d74c#diff-d2fc37bc724ef58ac44d52da73c773483ba90dd9818f3acede2664abd700e850R1925-R1951

edb/server/compiler/compiler.py

@@ -2028,6 +2028,8 @@ def _build_cache_function(
                 return_type = pg_types.pg_type_from_ir_typeref(
                     ir.expr.typeref.base_type or ir.expr.typeref
                 )
+                if ir.stype.is_tuple(ir.schema):
+                    returns_record = True
 
         case enums.OutputFormat.JSON:
             return_type = ("json",)