Chore: Update URLS

This is required to run under python3.11 and Django4.1

api/api/urls.py

@@ -13,7 +13,7 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
-from django.conf.urls import url
+from django.urls import path
 from django.contrib import admin
 from django.views.generic import TemplateView
 from django.urls import include, path

api/bills/urls.py

@@ -1,4 +1,4 @@
-from django.conf.urls import url
+from django.urls import path
 from django.contrib import admin
 from django.views.generic import TemplateView
 from django.urls import include, path