Update OneLogin notes

doc/user/group/saml_sso/index.md

@@ -162,8 +162,11 @@ For NameID, the following settings are recommended; for SCIM, the following sett
 
 ### OneLogin setup notes
 
-The GitLab app listed in the OneLogin app catalog is for self-managed GitLab instances.
-For GitLab.com, use a generic SAML Test Connector such as the SAML Test Connector (Advanced).
+OneLogin supports their own [GitLab (SaaS)](https://onelogin.service-now.com/support?id=kb_article&sys_id=92e4160adbf16cd0ca1c400e0b961923&kb_category=50984e84db738300d5505eea4b961913)
+application.
+
+If you decide to use the OneLogin generic [SAML Test Connector (Advanced)](https://onelogin.service-now.com/support?id=kb_article&sys_id=b2c19353dbde7b8024c780c74b9619fb&kb_category=93e869b0db185340d5505eea4b961934),
+we recommend the following settings:
 
 | GitLab Setting | OneLogin Field |
 |--------------|----------------|

doc/user/group/saml_sso/scim_setup.md

@@ -161,6 +161,11 @@ The Okta GitLab application currently only supports SCIM. Continue
 using the separate Okta [SAML SSO](index.md) configuration along with the new SCIM
 application described above.
 
+### OneLogin
+
+OneLogin provides a "GitLab (SaaS)" app in their catalog, which includes a SCIM integration.
+As the app is developed by OneLogin, please reach out to OneLogin if you encounter issues.
+
 ## User access and linking setup
 
 The following diagram is a general outline on what happens when you add users to your SCIM app: