AGOF breaks when using a container with ansible-core 2.19

[mbaldessari]

The failure looks like the following:

  TASK [infra.aap_configuration.controller_inventories : Managing Controller Inventories | Wait for finish the inventories management] ***^M
  ERROR]: Task failed: Module failed: argument 'variables' is of type str and we
  were unable to convert to dict: dictionary requested, could not parse JSON or
  key=value^[[0m^M Origin:
  /pattern-home/.ansible/collections/ansible_collections/infra/aap_configuration/roles/controller_inventories/tasks/main.yml:43:3^[[0m^M
  
  when: ansible_check_mode and __inventories_job_async.failed is defined and
  __inventories_job_async.failed^[[0m^M
  
   - name: Managing Controller Inventories | Wait for finish the inventories
     management^[[0m^M failed: [localhost] (item=Create/Update Controller
     inventory AGOF Demo Inventory | Wait for finish the inventories creation) =>
     {"__inventories_job_async_result_item": {"__controller_inventory_item":
     {"name": "AGOF Demo Inventory", "organization": "Demo Organization"},
     "ansible_job_id": "j696710084593.561", "ansible_loop_var":
     "__controller_inventory_item", "changed": false, "failed": false,
     "finished": false, "results_file": "/tmp/.ansible/.async/j696710084593.561",
     "started": true}, "ansible_job_id": "j696710084593.561", "ansible_loop_var":
     "__inventories_job_async_result_item", "attempts": 1, "changed": false,
     "finished": true, "msg": "argument 'variables' is of type str and we were
     unable to convert to dict: dictionary requested, could not parse JSON or
     key=value", "results_file": "/tmp/.ansible/.async/j696710084593.561",
     "started": true, "stderr": "", "stderr_lines": [], "stdout": "",
     "stdout_lines": []}^[[0m^M