chore: add changeset for avatar alt attribute fix

Co-authored-by: LuLaValva <26027232+LuLaValva@users.noreply.github.com>

Author: Copilot

.changeset/fix-avatar-alt-attribute.md

@@ -0,0 +1,9 @@
+---
+"@ebay/ebayui-core": patch
+"@evo-web/marko": patch
+"@ebay/ui-core-react": patch
+---
+
+fix(avatar): add alt="" to img for accessibility
+
+Fixed accessibility issue where avatar images were announced twice by assistive technologies. The img element inside role="img" containers now has alt="" to prevent double announcement.