Migrate base/toggle stories to Component Story Format

Migrate base/toggle stories to the Component Story Format (CSF).

Follow the steps described in the epic: &5651 (closed)

added to epic &5651 (closed)

added Pajamas frontend typemaintenance labels

added typefeature label

added [deprecated] good for new contributors label

assigned to @pgascouvaillancourt

set weight to 2

added component:toggle label

mentioned in merge request !2343 (merged)

changed milestone to %14.3

added workflowin review label

closed with merge request !2343 (merged)

mentioned in commit 50eb8519

mentioned in issue gitlab-org/secure/general#176 (closed)

removed typefeature label