"Schema validation error complex type 'actionsRefType': The content model is not determinist" Error Thrown While Generating Tests

## Actual Behavior

I'm trying to generate tests using a standalone instance of MFTF and Magento 2.4.7-p5, but I am getting [this error](https://gist.github.com/JosephLeedy/2fc2952a5159151a513a3f5c83dcfc05). It's similar to this [bug](https://github.com/magento/magento2/pull/38553), which was fixed in Magento 2.4.8.

**Here is the relevant portion of the linked error report:**

```
PHP 31. DOMDocument->schemaValidate($filename = '/home/joseph/Development/Tools/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Test/etc/mergedActionGroupSchema.xsd') /home/joseph/Development/Tools/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Config/Dom.php:298
FAILURE: Schema validation error complex type 'actionsRefType': The content model is not determinist.Line: 17
```

## Expected Behavior

MFTF tests should generate without throwing errors.

## Additional Details

**OS Version:** Fedora 41
**Magento Version**: 2.4.7-p5
**MFTF Version:** 5.0.4 (Standalone)
**PHP Version**: 8.3.19
**LibXML Version:**: `libxml2.x86_64 2.12.10-1.fc41`*

**\* Full list of XML libraries:**

```
$ dnf list installed "libxml*"
Updating and loading repositories:
Repositories loaded.
Installed packages
libxml++.x86_64 2.42.3-4.fc41 fedora
libxml2.i686 2.12.10-1.fc41
libxml2.x86_64 2.12.10-1.fc41
libxml2-devel.x86_64 2.12.10-1.fc41
libxmlb.x86_64 0.3.22-1.fc41
```

Start with the validation call in src/Magento/FunctionalTestingFramework/Config/Dom.php at line 298 and inspect the referenced src/Magento/FunctionalTestingFramework/Test/etc/mergedActionGroupSchema.xsd, especially the actionsRefType definition. Reproduce standalone test generation with Magento 2.4.7-p5 and MFTF 5.0.4, then verify generation completes without the schema validation error on the reported PHP and libxml versions.

Written by the indexing model from the issue text.