Update CHANGELOG-EE.md for 13.0.1-ee

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CHANGELOG-EE.md

 Please view this file on the master branch, on stable branches it's out of date.
 
+## 13.0.1 (2020-05-27)
+
+### Security (3 changes)
+
+- Change the mirror user along with pull mirror settings.
+- Allow only users with a verified email to be member of a group when the group has restricted membership based on email domain.
+- Do not auto-confirm email in Trial registration.
+
+
 ## 13.0.0 (2020-05-22)
 
 ### Security (1 change)

ee/changelogs/unreleased/security-211940-track-mirror-user.yml

----
-title: Change the mirror user along with pull mirror settings
-merge_request:
-author:
-type: security

ee/changelogs/unreleased/security-fix-group-domain-allowed-email-should-be-verified.yml

----
-title: Allow only users with a verified email to be member of a group when the group
-  has restricted membership based on email domain
-merge_request:
-author:
-type: security

ee/changelogs/unreleased/security-fix-trial-confirmation.yml

----
-title: Do not auto-confirm email in Trial registration
-merge_request:
-author:
-type: security