Update Composer, update everything

vendor/drupal/console-core/config/chain/develop-contribute.yml

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+# How to use
+# develop:contribute --drupal=/path/to/drupal-directory --code=/path/to/code-directory
+command:
+  name: develop:contribute
+  description: 'Download Drupal + Drupal Console to contribute.'
+vars:
+  repository: drupal-composer/drupal-project:8.x-dev
+commands:
+  - command: exec
+    arguments:
+      bin: composer create-project {{repository}} {{drupal}} --prefer-dist --no-progress --no-interaction --no-install
+  - command: exec
+    arguments:
+      bin: composer require drupal/console-develop --dev --working-dir={{drupal}} --no-update
+  - command: exec
+    arguments:
+      bin: composer install --working-dir={{drupal}}
+  - command: exec
+    arguments:
+      bin: drupal site:install standard --root={{drupal}} --db-type="sqlite" --no-interaction
+  - command: exec
+    arguments:
+      bin: drupal develop:create:symlinks --code-directory={{code}} --root={{drupal}}

vendor/drupal/console-core/config/chain/quick-start.yml

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+# How to use
+# quick:start --directory=/path/to/drupal-project/
+# quick:start --directory=/path/to/drupal-project/ --profile=minimal
+# quick:start --repository=weknowinc/drupal-project --directory=/path/to/drupal-project/ --profile=standard
+command:
+  name: quick:start
+  description: 'Download, install and serve a new Drupal project'
+vars:
+  repository:
+    - weknowinc/drupal-project
+    - drupal-composer/drupal-project:8.x-dev
+    - acquia/lightning-project
+    - acquia/reservoir-project
+  profile: standard
+commands:
+  # Create Drupal project using DrupalComposer
+  - command: exec
+    arguments:
+      bin: composer create-project {{repository}} {{directory}} --prefer-dist --no-progress --no-interaction
+  # Install Drupal
+  - command: exec
+    arguments:
+      bin: drupal site:install {{profile}} --root={{directory}} --db-type="sqlite" --no-interaction
+  # Start PHP built-in server
+  - command: exec
+    arguments:
+      bin: drupal server --root={{directory}}

vendor/drupal/console-core/config/chain/site-new.yml

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+# How to use
+# site:new --directory=/path/to/drupal-project/
+# site:new --repository=weknowinc/drupal-project --directory=/path/to/drupal-project/
+command:
+  name: site:new
+  description: 'Download a new Drupal project'
+vars:
+  repository:
+    - weknowinc/drupal-project
+    - drupal-composer/drupal-project:8.x-dev
+    - acquia/lightning-project
+    - acquia/reservoir-project
+    - drupal/drupal
+commands:
+  # Create Drupal project using Composer
+  - command: exec
+    arguments:
+      bin: composer create-project {{repository}} {{directory}} --prefer-dist --no-progress --no-interaction