[InfoCard] Button element nested inside an anchor

[bgoyarts]

Describe the bug
Whenever the prop callToActionMode is set to button, a button is renderd inside an anchor tag. This button element is not valid content for an anchor element. As per documentation:

No descendant may be interactive content or an a element, and no descendant may have a specified tabindex attribute.

To Reproduce
Steps to reproduce the behavior:

1. Add info card to your template with callToActionMode set to button
2. Inspect the button
3. See that it is nested inside an anchor element.

Expected behavior
The anchor should be styled as a button, or it should be a button element. But not nested.

Screenshots

Desktop (please complete the following information):
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Smartphone (please complete the following information):
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