configure_filesystem: Add missing changeEvent() override

This allows the dialog to be retranslated during runtime if the language
is changed.

src/yuzu/configuration/configure_filesystem.h

@@ -23,6 +23,8 @@ public:
     void ApplyConfiguration();
 
 private:
+    void changeEvent(QEvent* event) override;
+
     void RetranslateUI();
     void SetConfiguration();