chore: Switch to new openedx-learning import paths (#38004)

Upgrades openedx-learning from 0.31.0 to 0.32.0,
incorporating a major openedx-learning Python API
restructuring: ca0b3eb

cms/djangoapps/contentstore/rest_api/v0/views/api_heartbeat.py

@@ -32,13 +32,13 @@ class APIHeartBeatView(DeveloperErrorViewMixin, APIView):
         **Response Values**
 
         If the request is successful, an HTTP 200 "OK" response is returned.
-        The HTTP 200 response contains a single dict with the  "authoring_api_enabled" value "True".
+        The HTTP 200 response contains a single dict with the  "content_api_enabled" value "True".
 
         **Example Response**
 
         ```json
         {
-            "authoring_api_enabled": "True"
+            "content_api_enabled": "True"
         }
         ```
         """

cms/djangoapps/contentstore/rest_api/v1/views/tests/test_home.py

@@ -10,7 +10,7 @@ from django.conf import settings
 from django.test import override_settings
 from django.urls import reverse
 from opaque_keys.edx.locator import LibraryLocatorV2
-from openedx_learning.api import authoring as authoring_api
+from openedx_content import api as content_api
 from organizations.tests.factories import OrganizationFactory
 from rest_framework import status
 
@@ -272,7 +272,7 @@ class HomePageLibrariesViewTest(LibraryTestCase):
         self.url = reverse("cms.djangoapps.contentstore:v1:libraries")
         # Create a collection to migrate this library to
         collection_key = "test-collection"
-        authoring_api.create_collection(
+        content_api.create_collection(
             learning_package_id=learning_package.id,
             key=collection_key,
             title="Test Collection",