You don't need to use dbutils for this type of parameters. You can get the arguments using sys.argv. This is an example using a python wheel, but you can use it as reference: https://docs.databricks.com/en/workflows/jobs/how-to/use-python-wheels-in-workflows.html

"""
The entry point of the Python Wheel
"""

import sys

def main():
  # This method will print the provided arguments
  print('Hello from my func')
  print('Got arguments:')
  print(sys.argv)

if __name__ == '__main__':
  main()