Fix the issues reported by phpcs

Problem/Motivation

Getting following warnings.

FILE: /var/www/html/modules/contrib/cloudflare_node_cc/src/Commands/CloudflareCommands.php
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FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
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345 | WARNING | \Drupal calls should be avoided in classes, use dependency injection instead
392 | WARNING | \Drupal calls should be avoided in classes, use dependency injection instead
----------------------------------------------------------------------------------------------

Time: 5.2 secs; Memory: 6MB

Steps to reproduce

Run following command

phpcs --standard=Drupal,DrupalPractice --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml modules/contrib/cloudflare_node_cc/

Proposed resolution

Above warnings need to be fixed.