Updated Drupal to 8.6. This goes with the following updates because it's possible...
[yaffs-website] / vendor / bin /
drwxr-xr-x   ..
lrwxrwxrwx 54 create-scenario -> ../g1a/composer-test-scenarios/scripts/create-scenario
lrwxrwxrwx 41 dcg -> ../chi-teck/drupal-code-generator/bin/dcg
lrwxrwxrwx 58 dependency-licenses -> ../g1a/composer-test-scenarios/scripts/dependency-licenses
lrwxrwxrwx 28 drupal -> ../drupal/console/bin/drupal
lrwxrwxrwx 20 drush -> ../drush/drush/drush
lrwxrwxrwx 55 install-scenario -> ../g1a/composer-test-scenarios/scripts/install-scenario
lrwxrwxrwx 29 markdown -> ../cebe/markdown/bin/markdown
lrwxrwxrwx 33 php-parse -> ../nikic/php-parser/bin/php-parse
lrwxrwxrwx 26 phpunit -> ../phpunit/phpunit/phpunit
lrwxrwxrwx 22 psysh -> ../psy/psysh/bin/psysh
lrwxrwxrwx 44 release -> ../consolidation/self-update/scripts/release
lrwxrwxrwx 26 robo -> ../consolidation/robo/robo