Magento2: Add ViewModel by using plugin

AddViewModelToBlock.php

<?php

declare(strict_types=1);

namespace MyNamespace\MyModule\Plugin;

use Vendor\Module\Block\Any\Block as AnyBlock;

/**
 * Class AddViewModelToBlock
 */
class AddViewModelToBlock
{
    /**
     * Description $myViewModel
     *
     * @var MyViewModel $myViewModel
     */
    protected MyViewModel $myViewModel;

    /**
     * AddViewModelToBlock constructor
     *
     * @param MyViewModel $myViewModel
     */
    public function __construct(
        MyViewModel $myViewModel
    ) {
        $this->myViewModel = $myViewModel;
    }

    /**
     * Description beforeToHtml function
     *
     * @param AnyBlock $subject
     *
     * @return void
     */
    public function beforeToHtml(AnyBlock $subject): void
    {
        $subject->setData('view_model', $this->myViewModel);
    }
}

di.xml

<?xml version="1.0"?>

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Vendor\Module\Block\Any\Block">
        <plugin name="my_custom_plugin_name" type="MyNamespace\MyModule\Plugin\AddViewModelToBlock"/>
    </type>
</config>

MyViewModel.php

<?php

declare(strict_types=1);

namespace MyNamespace\MyModule\ViewModel;

use Magento\Framework\View\Element\Block\ArgumentInterface;

/**
 * Class MyViewModel
 *
 * @package MyNamespace\MyModule\ViewModel
 */
class MyViewModel implements ArgumentInterface
{
    /**
     * Description doSomething function
     *
     * @return string
     */
    public function doSomething(): string
    {
        return 'something';
    }
}

template.phtml

<?php
// Vendor\Module\Block\Any\Block::template.phtml

/** @var Vendor\Module\Block\Any\Block $block */

/** @var \MyNamespace\MyModule\ViewModel\MyViewModel $viewModel */
$viewModel = $block->getData('view_model');

echo $viewModel->doSomething(); //return 'something'