ansible documentation of alternative use of deprecated ALLOW_WORLD_READABLE_TMPFILES

Solution 1:

Valid problem with the docs documented in this issue: https://github.com/ansible/ansible/issues/72264

...which also contains the answer to your question:

Effectively, you will need to view the documentation related to the shell plugin you are using, likely sh, and substitute the configuration with the shell plugin specific config: https://docs.ansible.com/ansible/latest/collections/ansible/builtin/sh_shell.html#parameter-world_readable_temp