Chore: cache Github version check for 15 minutes (#11235)

src/documents/tests/test_api_remote_version.py

@@ -1,3 +1,4 @@
+from django.core.cache import cache
 from pytest_httpx import HTTPXMock
 from rest_framework import status
 from rest_framework.test import APIClient
@@ -8,6 +9,9 @@ from paperless import version
 class TestApiRemoteVersion:
     ENDPOINT = "/api/remote_version/"
 
+    def setup_method(self):
+        cache.clear()
+
     def test_remote_version_enabled_no_update_prefix(
         self,
         rest_api_client: APIClient,