Update Mobile-Expensify submodule version to 9.3.28-4

OSBotify · OSBotify · commit e8861fe9f79e · 2026-03-03T17:13:41.000Z
diff --git a/Mobile-Expensify b/Mobile-Expensify
@@ -1 +1 @@
-Subproject commit 15cba598b9f2992f32b8d8d535a7e94a867c575f
+Subproject commit aa3f4f26fe2ff4f8ef9aff91b07ebf48bbebecfa
