feat: support newer versions of django (4.2)

closes #19 (closed)

ucamlookup/tests.py

@@ -187,7 +187,7 @@ class UcamLookupTests(TestCase):
     def test_get_institutions_with_user(self):
         amc203 = User.objects.create_user(username="amc203")
         results = get_institutions(user=amc203)
-        self.assertEquals(("CL", "Department of Computer Science and Technology"), results[0])
+        self.assertEqual(("CL", "Department of Computer Science and Technology"), results[0])
         self.assertIn(("UIS", "University Information Services"), results)
 
     def test_get_institutions_with_non_existant_user(self):