Merge pull request #15427 from edx/jmbowman/PLAT-1610

PLAT-1610 Fix social auth config error in Docker bok-choy tests

lms/envs/bok_choy_docker.env.json

@@ -142,9 +142,9 @@
     "SYSLOG_SERVER": "",
     "TECH_SUPPORT_EMAIL": "technical@example.com",
     "THIRD_PARTY_AUTH_BACKENDS": [
-        "social.backends.google.GoogleOAuth2",
-        "social.backends.linkedin.LinkedinOAuth2",
-        "social.backends.facebook.FacebookOAuth2",
+        "social_core.backends.google.GoogleOAuth2",
+        "social_core.backends.linkedin.LinkedinOAuth2",
+        "social_core.backends.facebook.FacebookOAuth2",
         "third_party_auth.dummy.DummyBackend",
         "third_party_auth.saml.SAMLAuthBackend"
     ],