chore(label): factorisation des labels

...sfr-components/src/lib/components/follow/follow.module.ts

...-components/src/lib/forms/form-email/form-email.module.ts

...components/src/lib/forms/form-email/form-email.stories.ts

...onents/src/lib/forms/form-input/form-input.component.html

...-components/src/lib/forms/form-input/form-input.module.ts

...fr-components/src/lib/forms/form-input/form-input.spec.ts

...components/src/lib/forms/form-input/form-input.stories.ts

...r-components/src/lib/forms/form-tel/form-tel.component.ts

...sfr-components/src/lib/forms/form-tel/form-tel.stories.ts

...ts/src/lib/shared/components/default-control.component.ts

...ts/ngx-dsfr-components/src/lib/shared/components/index.ts

...components/src/lib/shared/components/input-group/index.ts

.../shared/components/input-group/input-group.component.html

...ib/shared/components/input-group/input-group.component.ts

...src/lib/shared/components/input-group/input-group.spec.ts

...ponents/src/lib/shared/components/messages-group/index.ts

projects/ngx-dsfr-components/src/public-api.ts