locale_gen uses deprecated VarDict from ModuleHelper

[jyanesnotariado]

Summary

When I run the following I get a deprecation warning

- name: Ensure en_US locale is present
  community.general.locale_gen:
    state: present
    name: en_US.UTF-8

[DEPRECATION WARNING]: This class is using the old VarDict from ModuleHelper, 
which is deprecated. Set the class variable use_old_vardict to False and make 
the necessary adjustments.The old VarDict class will be removed in 
community.general 11.0.0. This feature will be removed from community.general 
in version 11.0.0. Deprecation warnings can be disabled by setting 
deprecation_warnings=False in ansible.cfg.

I think it's related to the following issues:
#6903
#6820

Issue Type

Bug Report

Component Name

ansible inside awx-ee 24.4.0
installed with command:

ansible-galaxy collection install community.general -p /usr/share/ansible/collections

Ansible Version

$ ansible --version
ansible [core 2.15.12]
  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python3.9/site-packages/ansible
  ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections
  executable location = /usr/local/bin/ansible
  python version = 3.9.18 (main, Jan 24 2024, 00:00:00) [GCC 11.4.1 20231218 (Red Hat 11.4.1-3)] (/usr/bin/python3)
  jinja version = 3.1.4
  libyaml = True

Community.general Version

$ ansible-galaxy collection list community.general

# /usr/share/ansible/collections/ansible_collections
Collection        Version
----------------- -------
community.general 9.0.0

Configuration

$ ansible-config dump --only-changed
CONFIG_FILE() = None

OS / Environment

No response

Steps to Reproduce

- name: Ensure en_US locale is present
  community.general.locale_gen:
    state: present
    name: en_US.UTF-8

Expected Results

No deprecation warning issued.

Actual Results

[DEPRECATION WARNING]: This class is using the old VarDict from ModuleHelper, 
which is deprecated. Set the class variable use_old_vardict to False and make 
the necessary adjustments.The old VarDict class will be removed in 
community.general 11.0.0. This feature will be removed from community.general 
in version 11.0.0. Deprecation warnings can be disabled by setting 
deprecation_warnings=False in ansible.cfg.

Code of Conduct

• I agree to follow the Ansible Code of Conduct

[ansibullbot]

Files identified in the description:

• lib/ansible/galaxy

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[felixfontein]

Duplicate of #8410, has been fixed in #8411.

[felixfontein]

community.general 9.0.1 has a fix for this.

[jyanesnotariado]

Sorry for the dupes, when I searched I didn't find it. Thanks.