docs(faqs): update upgrade/downgrade plan FAQs (#325)

Author: felangel

src/content/docs/faq.mdx

@@ -540,8 +540,13 @@ be used to patch (update) your app after that initial install.
 
 ### How do I upgrade or downgrade my plan?
 
-You can upgrade or downgrade your plan at any time by running `shorebird
-account upgrade` or `shorebird account downgrade`.
+To upgrade your plan, you can
+[subscribe via the
+Shorebird console](https://console.shorebird.dev/subscriptions/create).
+
+To cancel your subscription, you can view your
+[account](https://console.shorebird.dev/account) and click "Edit" -> "Cancel
+Subscription".
 
 ### When does my billing period reset?
 
@@ -551,9 +556,12 @@ month, your billing period will reset on the 15th of every month.
 
 ### How do I cancel my subscription?
 
-You can cancel your subscription at any time by running `shorebird account
-downgrade`. You will continue to have all the features of a paid account until
-the end of your billing period.
+To cancel your subscription, you can view your
+[account](https://console.shorebird.dev/account) and click "Edit" -> "Cancel
+Subscription".
+
+You will continue to have all the features of a paid account until the end of
+your billing period.
 
 ### Can I pay for a year in advance?