Update group and permissions for Fastly logs directory
Update group and permissions for Fastly logs directory

This is for consistency with the logfiles in that directory.

alphagov/ci-puppet,boffbowsh/ci-puppet,boffbowsh/ci-puppet,alphagov/ci-puppet,alphagov/ci-puppet,boffbowsh/ci-puppet,alphagov/ci-puppet,boffbowsh/ci-puppet