Fix a few typos in PHPDoc comments

[artttj]

Description (*)

Fix a few typos in PHPDoc comments:

\Magento\ConfigurableProduct\Block\Product\View\Type::_getAdditionalConfig()
\Magento\ConfigurableProduct\Block\Adminhtml\Product\Composite\Fieldset\Configurable::_getAdditionalConfig()

Manual testing scenarios (*)

N/A

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
• All automated tests passed successfully (all builds are green)

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[artttj]

@magento run all tests

[artttj]

@magento run all tests

[artttj]

@magento run all tests

[artttj]

@magento run all tests

[engcom-Hotel]

@magento run all tests

[engcom-Hotel]

Hello @artttj,

Thanks for the contribution!

As I can see in this PR, you have tried to fix some typos but we have some static test failures. We request you to fix those.

Other failures seems flaky to me.

Thanks