[Issue] update using-font for 2.4.2. New parameter font-type for custom fonts

[m2-assistant]

This issue is automatically created based on existing pull request: #8026: update using-font for 2.4.2. New parameter font-type for custom fonts

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Purpose of this pull request

With the version 2.4.2 of Magento, there will be the new parameter for the font-type: <font_type> for the mixin .lib-font-face(). (See issue #30288 on Magento2 repo)
This update describes it.

Affected DevDocs pages

• https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/css-topics/using-fonts.html