Update .changeset/many-otters-repeat.md

Co-authored-by: Kyle Durand <kyledurand@users.noreply.github.com>

Author: iAmNathanJ

.changeset/many-otters-repeat.md

@@ -2,4 +2,4 @@
 '@shopify/polaris': patch
 ---
 
-Improve performance of the Scrollable component with React 18
+Converted `Scrollable` to functional component and improve its performance with React 18