chore: add build flag for change log (#1792)

apps/web/preset.config.mjs

@@ -11,5 +11,6 @@ const config = {
     process.env.ENABLE_DEBUG_PAGE ?? process.env.NODE_ENV === 'development'
   ),
   enableSubpage: Boolean(process.env.ENABLE_SUBPAGE),
+  enableChangeLog: Boolean(process.env.ENABLE_CHANGELOG),
 };
 export default config;