Add a new "log_folder" option to the log_plays callback plugin. (#56717)

* Add a new "log_folder" option to the log_plays callback plugin.

A a new option for the log_plays callback plugin which allows the user to
control where the callback where creates log files.

The option can be set via the ANSIBLE_LOG_FOLDER environment variable or in the
Ansible configuration file, e.g.:

[callback_log_plays]
log_folder = /path/to/my/log/folder

changelogs/fragments/56717-log-plays-configuration-options.yml

@@ -0,0 +1,2 @@
+minor_changes:
+- "log_plays - Add a new log_folder option to the log_plays callback plugin."