Fix(dbt): Update dispatch signature to match dbt method

[themisvaltinos]

This aligns the parameter names to ensure compatibility when using adapter.dispatch() with keyword arguments. The dispatch method in dbt uses macro_namespace and macro_name as parameters for example:

{% macro my_macro(arg1, arg2) -%}
  {{ return(adapter.dispatch(macro_name='my_macro', macro_namespace='package_1')(arg1, arg2)) }}
{%- endmacro %}

Dbt docs: https://docs.getdbt.com/reference/dbt-jinja-functions/dispatch