Update Composer, update everything

.gitignore

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+# This file contains default .gitignore rules. To use it, copy it to .gitignore,
+# and it will cause files like your settings.php and user-uploaded files to be
+# excluded from Git version control. This is a common strategy to avoid
+# accidentally including private information in public repositories and patch
+# files.
+#
+# Because .gitignore can be specific to your site, this file has a different
+# name; updating Drupal core will not override your custom .gitignore file.
+
+# Ignore core when managing all of a project's dependencies with Composer
+# including Drupal core.
+# /web/core
+
+# Core's dependencies are managed with Composer.
+/web/vendor
+
+# Ignore configuration files that may contain sensitive information.
+/web/sites/*/settings*.php
+!/web/sites/*/settings.docker.php
+/web/sites/*/services*.yml
+
+# Ignore paths that contain user-generated content.
+/web/sites/*/files
+/web/sites/*/private
+
+# Ignore SimpleTest multi-site environment.
+/web/sites/simpletest
+
+# If you prefer to store your .gitignore file in the sites/ folder, comment
+# or delete the previous settings and uncomment the following ones, instead.
+
+# Ignore configuration files that may contain sensitive information.
+# /web/*/settings*.php
+
+# Ignore paths that contain user-generated content.
+# /web/*/files
+# /web/*/private
+
+# Ignore SimpleTest multi-site environment.
+# /web/simpletest
+
+# Ignore core phpcs.xml and phpunit.xml.
+/web/core/phpcs.xml
+/web/core/phpunit.xml