Renamed OAuth2Authentication to BearerAuthentication (#23128)

* Renamed OAuth2Authentication to BearerAuthentication
* Added back OAuth2Authentication name
-there are libraries such as edx-enterprise that still import OAuth2Authentication.  The OAuth2Authentication class should be fully removed when everything is importing BearerAuthentication correctly

openedx/core/djangoapps/api_admin/api/v1/views.py

@@ -8,7 +8,7 @@ from edx_rest_framework_extensions.auth.jwt.authentication import JwtAuthenticat
 from rest_framework.authentication import SessionAuthentication
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.generics import ListAPIView
-from openedx.core.lib.api.authentication import OAuth2Authentication
+from openedx.core.lib.api.authentication import BearerAuthentication
 
 from openedx.core.djangoapps.api_admin.api.v1 import serializers as api_access_serializers
 from openedx.core.djangoapps.api_admin.models import ApiAccessRequest
@@ -50,7 +50,7 @@ class ApiAccessRequestView(ListAPIView):
             "previous": null
         }
     """
-    authentication_classes = (JwtAuthentication, OAuth2Authentication, SessionAuthentication,)
+    authentication_classes = (JwtAuthentication, BearerAuthentication, SessionAuthentication,)
     permission_classes = (IsAuthenticated, )
     serializer_class = api_access_serializers.ApiAccessRequestSerializer
     filter_backends = (IsOwnerOrStaffFilterBackend, DjangoFilterBackend)