refactor: fix parler deprecation warning

Please change apiscopetranslation.master to a
parler.fields.TranslationsForeignKey field to
support translations in data migrations.

Refs: HP-2441

oidc_apis/migrations/0004_alter_apiscopetranslation_master.py

@@ -0,0 +1,26 @@
+# Generated by Django 4.2.14 on 2024-07-31 11:37
+
+from django.db import migrations
+import django.db.models.deletion
+import parler.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("oidc_apis", "0003_api_backchannel_logout_url"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="apiscopetranslation",
+            name="master",
+            field=parler.fields.TranslationsForeignKey(
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="translations",
+                to="oidc_apis.apiscope",
+                verbose_name="API scope",
+            ),
+        ),
+    ]

oidc_apis/models.py

@@ -5,7 +5,7 @@
 from django.utils.translation import gettext_lazy as _
 from multiselectfield import MultiSelectField
 from oidc_provider.models import Client
-from parler.fields import TranslatedField
+from parler.fields import TranslatedField, TranslationsForeignKey
 from parler.managers import TranslatableQuerySet
 from parler.models import TranslatableModel, TranslatedFieldsModel
 
@@ -193,7 +193,7 @@ def _get_required_scopes(cls, scopes):
 
 
 class ApiScopeTranslation(TranslatedFieldsModel):
-    master = models.ForeignKey(
+    master = TranslationsForeignKey(
         ApiScope, related_name='translations', null=True,
         on_delete=models.CASCADE,
         verbose_name=_("API scope"))