fix(deps): update dependency django-phonenumber-field to v8

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
django-phonenumber-field (changelog)	~7.3 -> ~8.0

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Release Notes

stefanfoulis/django-phonenumber-field (django-phonenumber-field)

v8.0.0

Compare Source

What's Changed

Breaking changes

• Remove PhoneNumberInternationalFallbackWidget by @​francoisfreitag in https://github.com/stefanfoulis/django-phonenumber-field/pull/602

  Use phonenumber_field.widgets.RegionalPhoneNumberWidget instead.

• Move validation from widgets to the form fields by @​francoisfreitag in https://github.com/stefanfoulis/django-phonenumber-field/pull/603

  Previously, the widgets were validating the phone number, leaving no room for the django regular validation procedure. If you performed custom validation on PhoneNumberFields, see the migration guide below.

Other changes

• Drop support for Django 4.1 by @​francoisfreitag in https://github.com/stefanfoulis/django-phonenumber-field/pull/604
• docs: Fix representation of serializer by @​francoisfreitag in https://github.com/stefanfoulis/django-phonenumber-field/pull/607

Full Changelog: https://github.com/stefanfoulis/django-phonenumber-field/compare/7.3.0...8.0.0

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Migration guide

Previously, the widgets handled part of the validation. That behavior prevents overriding validation in form fields, as widgets were casting the value into a PhoneNumber object, validating it in the process.

Following the MultiValueField implementation from Django (and MultiWidget), the widget now handles the presentation logic, but makes no attempt at validation. The new SplitPhoneNumberField handles the logic of validating the region choice and the number, and the PhoneNumberPrefixWidget simply dispatches the region and number data to the appropriate widget.

In order to retain backward compatibility, now that the validate_international_phonenumber actually comes into play, its error code has been changed to invalid, so that the custom error message for invalid shows.

validate_international_phonenumber

Review uses of the invalid_phone_number error code. You’ll probably want to replace them with invalid. Given that the validator usually did not come into play, you shouldn’t find many uses.

PhoneNumberField with RegionalPhoneNumberWidget

Move the custom validation occurs in the Django Form clean_FIELD() (or clean()), and no changes should be noticeable.

PhoneNumberField with PhoneNumberPrefixWidget

Use the SplitPhoneNumberField instead. Error messages will change slightly and should be more precise (whether the region is not part of the choices, or the number cannot be interpreted in the selected region).

For more examples, take a look at tests.test_formfields.SplitPhoneNumberFieldTest. Make sure GitHub loads the diff for file tests/test_formfields.py

The following tests should cover most use cases:

• test_custom_attrs before / after
• test_custom_choices before / after

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