Fix #3984 -- API: Add phone to customer resource (#3992)

* Fix #3984 -- API: Add phone to customer resource

* add "phone": None to test

---------

Co-authored-by: Mira Weller <weller@rami.io>

src/tests/api/test_customers.py

@@ -29,6 +29,7 @@ def customer(organizer, event):
     return organizer.customers.create(
         identifier="8WSAJCJ",
         email="foo@example.org",
+        phone="+493012345678",
         name_parts={"_legacy": "Foo"},
         name_cached="Foo",
         is_verified=False,
@@ -39,6 +40,7 @@ TEST_CUSTOMER_RES = {
     "identifier": "8WSAJCJ",
     "external_identifier": None,
     "email": "foo@example.org",
+    "phone": "+493012345678",
     "name": "Foo",
     "name_parts": {
         "_legacy": "Foo",

src/tests/api/test_reusable_media.py

@@ -155,6 +155,7 @@ def test_medium_detail(token_client, organizer, event, medium, giftcard, custome
             "identifier": customer.identifier,
             "external_identifier": None,
             "email": "foo@example.org",
+            "phone": None,
             "name": "Foo",
             "name_parts": {"_legacy": "Foo"},
             "is_active": True,