feat(form-core): add [focused-visible] when matching :focus-visible

[tlouisse]

closes #1206

Basically, leaves the choice to do progressive enhancement to the consumer:

• for progressive enhancement, do nothing
• otherwise, just load the polyfill in the index of your app

[changeset-bot]

🦋 Changeset detected

Latest commit: d829288

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 21 packages

Name	Type
@lion/form-core	Patch
@lion/checkbox-group	Patch
@lion/combobox	Patch
@lion/fieldset	Patch
@lion/form-integrations	Patch
@lion/input-amount	Patch
@lion/input-date	Patch
@lion/input-datepicker	Patch
@lion/input-email	Patch
@lion/input-iban	Patch
@lion/input-stepper	Patch
@lion/input	Patch
@lion/listbox	Patch
@lion/radio-group	Patch
@lion/select-rich	Patch
@lion/select	Patch
@lion/switch	Patch
@lion/textarea	Patch
@lion/validate-messages	Patch
@lion/form	Patch
@lion/input-range	Patch

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