Switch last changeset to patch

Submitting a minor release results in an incorrect version bump for the
package release PR, so we're going to try to release updates to POS cart
api as a patch instead.

Author: alexgraffeocohen

.changeset/cool-socks-cheer.md

@@ -1,5 +1,5 @@
 ---
-'@shopify/ui-extensions': minor
+'@shopify/ui-extensions': patch
 ---
 
 Adds components to point of sale cart LineItem interface to represent product bundle items.