Cannot run proc_open on shared hosting

Question

I am trying to use Composer to update a Drupal module. After reading a lot, I am presuming that proc_open is disabled in my shared hosting env. If that is the case, can it be enabled for just one hostname or is it server-wide?

"The Process class relies on proc_open, which is not available on your PHP installation."

From the host: Cpanel states the shell php is system wide so we cannot edit it for just this site. (this comes directly from a ticket they used at cPanel)

The module I was trying to update is for Drupal, Webform latest stable version. Not recommended to update with GUI or Manually....

I understand that proc_open is a potential security risk to other hosts but is there ANY workaround short of a dedicated server? Upping the co$t of doing business by a LOT :)

$ composer require 'drupal/webform:^6.2@beta'
./composer.json has been updated
Running composer update drupal/webform
Loading composer repositories with package information
Updating dependencies
Lock file op#drupal/webform (6.2.0-beta1)
Writing lock file
Installing dependencies from lock file (including require-dev)
Nothing to install, update or remove
2 package suggestions were added by new dependencies, use `composer suggest` to see details.
Package doctrine/reflection is abandoned, you should avoid using it. Use roave/better-reflection instead.
Generating autoload files
Hardening vendor directory with .htaccess and web.config files.
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Scaffolding files for drupal/core:
  - Copy [web-root]/sites/default/default.services.yml from assets/scaffold/files/default.services.yml
  - Copy [web-root]/sites/default/default.settings.php from assets/scaffold/files/default.settings.php

Installation failed, reverting ./composer.json and ./composer.lock to their original content.

  [Symfony\Component\Process\Exception\RuntimeException]
  The Process class relies on proc_open, which is not available on your PHP installation.