Bump apis-core to v0.5.0, drop use of custom branch

Using b79f1f3 we don't have to use a
customized version of apis-core anymore, therefore we are using an
official release and at the same time moving from 0.4.x to 0.5.0.

apis_ontology/urls.py

@@ -1,4 +1,4 @@
-from apis.urls import urlpatterns
+from apis_acdhch_default_settings.urls import urlpatterns
 from django.urls import path
 from .views import CustomReferenceDetailView, TempTripleAutocomplete, TempEntityClassAutocomplete, CustomReferenceDeleteView
 from django.contrib.auth.decorators import login_required

pyproject.toml

@@ -12,10 +12,10 @@ python = "^3.11"
 django = ">=4.1,<4.2"
 mysqlclient = "^2.0.3"
 django-extensions = "^3.1.3"
-apis-core = { git = "https://github.com/acdh-oeaw/apis-core-rdf.git", branch = "sicprod-dev" }
+apis-core = { git = "https://github.com/acdh-oeaw/apis-core-rdf.git", tag = "v0.5.0" }
 webpage = { git = "https://github.com/acdh-oeaw/apis-webpage.git", tag = "v0.2.0" }
 apis-bibsonomy = { git = "https://github.com/acdh-oeaw/apis-bibsonomy.git", branch = "birger/fix-referenceonform-issues" }
-apis-acdhch-default-settings = { git = "https://github.com/acdh-oeaw/apis-acdhch-default-settings.git", tag = "v0.1.7" }
+apis-acdhch-default-settings = { git = "https://github.com/acdh-oeaw/apis-acdhch-default-settings.git", tag = "v0.1.8" }
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]