Add SSO users to the device trust web testplan

.github/ISSUE_TEMPLATE/testplan.md

@@ -698,11 +698,16 @@ tsh ssh node-that-requires-device-trust
     - [ ] SSH
     - [ ] App Access
     - [ ] Desktop Access
+    - [ ] GitHub user
+    - [ ] OIDC user
+    - [ ] SAML user
 
     Confirm that it works by failing first. Most protocols can be tested using
     device_trust.mode="required". App Access and Desktop Access require a custom
     role (see [enforcing device trust](https://goteleport.com/docs/access-controls/device-trust/enforcing-device-trust/#app-access-support)).
 
+    For SSO users confirm that device web authentication happens successfully.
+
 - [ ] Device authorization
   - [ ] device_trust.mode other than "off" or "" not allowed (OSS)
   - [ ] device_trust.mode="off" doesn't impede access (Enterprise and OSS)