Update the subdivisions.

Add missing typehint.

Update the dataset.

Update the dataset.

Add the changes entry for the Oct 29th update.

Remove Swiss administrative areas, they aren't used for addressing.

Clarify that the symfony form integration is experimental.

Update the dataset.

Allow the AddressFormat constraint to limit which fields are validated.

Allows people to use the constraint and validator even if they aren't using
all address fields (for example, because they don't need the recipient
and company).

Fix the build, make DataProvider canonicalize the locales.