Fixed text of py::type_error per PR review

Author: oleksandr-pavlyk

dpctl/apis/include/dpctl4pybind11.hpp

@@ -594,8 +594,8 @@ struct type_caster<sycl::kernel_bundle<sycl::bundle_state::executable>>
             return true;
         }
         else {
-            throw py::type_error(
-                "Input is of unexpected type, expected dpctl.SyclEvent");
+            throw py::type_error("Input is of unexpected type, expected "
+                                 "dpctl.program.SyclProgram");
         }
     }