feat(specs): Add spec, tests and examples for panos_dynamic_user_group

[kklimonda-cl]

This PR adds support for managing PAN-OS dynamic user groups.

Terraform Resource Name

panos_dynamic_user_group

Parameters with Name Overrides

Spec Name	Terraform Name	Type	Description
tag	tags	list	List of administrative tags

Standard Parameters

Name	Type	Description
name	string	Dynamic user group name
description	string	Description (max 1023 characters)
disable-override	enum	Disable object override in child device groups (values: yes, no, default: no)
filter	string	Tag-based filter expression (max 2047 characters)

Locations

• shared - Panorama shared object (panorama, ngfw)
• device-group - Located in a specific Device Group (panorama)
• vsys - Located in a specific Virtual System (ngfw)