SIA-R20`aria-*` attributes have a valid name

Accessibility requirements

This rule tests conformance of the following accessibility requirements:

This rule checks that aria-* attributes have a valid name.

This rule applies to every attribute whose name starts with aria-.

This rule makes no assumptions.

This rule has no known accessibility support concerns.

All aria-* attributes specified on this element are valid:

<input
    role="spinbutton"
    aria-valuemax="100"
    aria-valuemin="0"
    aria-valuenow="25"
    type="number"
    value="25"
/>

The attribute aria-not-checked is not a WAI-ARIA state or property:

<li role="menuitemcheckbox" aria-not-checked="true">List Item</li>

None of the attributes of this element have a name starting with aria-:

<div role="button" id="my-div" class="my class">Button!</div>