(DOCSP-47913) Fixes card bugs on Security page (#121)

Author: sarahsimpers

source/security.txt

@@ -30,7 +30,7 @@ security in {+service+}:
 
    .. card::
       :headline: Authorization and Authentication
-      :url: https://mongodb.com/docs/atlas/architecture/setup-cluster-security/
+      :url: https://mongodb.com/docs/atlas/architecture/auth/
       :icon: general_action_login
       :icon-alt: Atlas login icon
 
@@ -40,7 +40,7 @@ security in {+service+}:
 
    .. card::
       :headline: Data Encryption
-      :url: https://mongodb.com/docs/atlas/architecture/auth/
+      :url: https://mongodb.com/docs/atlas/architecture/data-encryption/
       :icon: general_security_encryption
       :icon-alt: Atlas encryption icon