Issue #3126736: Update external dependencies

composer.lock

scripts/update_dependencies.sh

vendor/composer/installed.json

vendor/drupal/php-signify/README.md

vendor/drupal/php-signify/composer.json

vendor/drupal/php-signify/src/Verifier.php

vendor/paragonie/sodium_compat/README.md

vendor/paragonie/sodium_compat/autoload-php7.php

vendor/paragonie/sodium_compat/autoload.php

vendor/paragonie/sodium_compat/lib/php72compat.php

vendor/paragonie/sodium_compat/src/Compat.php

vendor/paragonie/sodium_compat/src/File.php