fix(ui): add aria-hidden to PluginHeader icon

Signed-off-by: Johan Persson <johanopersson@gmail.com>

.changeset/happy-masks-allow.md

@@ -0,0 +1,7 @@
+---
+'@backstage/ui': patch
+---
+
+Added `aria-hidden` to the `PluginHeader` icon to prevent screen readers from announcing decorative plugin icons.
+
+**Affected components:** PluginHeader

packages/ui/src/components/PluginHeader/PluginHeader.tsx

@@ -125,7 +125,9 @@ export const PluginHeader = (props: PluginHeaderProps) => {
 
   const titleContent = (
     <>
-      <div className={classes.toolbarIcon}>{icon || <RiShapesLine />}</div>
+      <div className={classes.toolbarIcon} aria-hidden="true">
+        {icon || <RiShapesLine />}
+      </div>
       <Text variant="body-medium">{title || 'Your plugin'}</Text>
     </>
   );