2021-August-07 - Prerelease - 2.6.316

Correct ansible.cfg config value 'gathering'

'no' is an invalid value for 'gathering':

"Invalid settings supplied for DEFAULT_GATHERING: Invalid value "no" for configuration option "setting: DEFAULT_GATHERING ", valid values are: ['smart', 'explicit', 'implicit']"

This update sets the 'gathering' value to 'explicit' so that it is only
run when requested (and otherwise is not, which speeds up ansible
execution time'