Merge pull request #2187 from canonical/WD-32904-update-faq-to-exam-guide

feat(WD-32904): Update faq to exam guide

Author: Eden-4

secondary-navigation.yaml

@@ -489,8 +489,8 @@ canonical-academy:
       path: /academy/exam-content
     - title: Study guide
       path: /academy/self-study
-    - title: FAQ
-      path: /academy/faq
+    - title: Exam guide
+      path: /academy/exam-guide
 
 events:
   title: Canonical Events