update changelog

docs/pages/resources/changelog.md

@@ -19,6 +19,7 @@ New versions of Shoelace are released as-needed and generally occur when a criti
 - Fixed a bug in `<sl-select>` that caused the menu to not close when rendered in a shadow root [#1878]
 - Fixed a bug in `<sl-tree>` that caused a new stacking context resulting in tooltips being clipped [#1709]
 - Fixed a bug in `<sl-tab-group>` that caused the scroll controls to toggle indefinitely when zoomed in Safari [#1839]
+- Fixed a bug in the submenu controller that allowed two submenus to be open at the same time [#1880]
 
 ## 2.14.0