Update credentials inventory doc

doc/user/admin_area/credentials_inventory.md

@@ -18,9 +18,11 @@ Using Credentials inventory, GitLab administrators can see all the personal acce
 - Who they belong to.
 - Their access scope.
 - Their usage pattern.
+- When they expire.
+- When they were revoked.
 
 To access the Credentials inventory, navigate to **Admin Area > Credentials**.
 
 The following is an example of the Credentials inventory page:
 
-![Credentials inventory page](img/credentials_inventory_v12_6.png)
+![Credentials inventory page](img/credentials_inventory_v13_2.png)