handle chunk register in the sync runtime.none correctly (vercel#4648)

### Description

Using an async function in the sync runtime.none will swallow the error
into a rejected Promise instead of rethrowing it.

Author: sokra

crates/turbopack-dev/js/src/runtime.js

@@ -1388,15 +1388,15 @@ function markChunkListAsRuntime(chunkListPath) {
 /**
  * @param {ChunkRegistration} chunkRegistration
  */
-async function registerChunk([chunkPath, chunkModules, runtimeParams]) {
+function registerChunk([chunkPath, chunkModules, runtimeParams]) {
   for (const [moduleId, moduleFactory] of Object.entries(chunkModules)) {
     if (!moduleFactories[moduleId]) {
       moduleFactories[moduleId] = moduleFactory;
     }
     addModuleToChunk(moduleId, chunkPath);
   }
 
-  BACKEND.registerChunk(chunkPath, runtimeParams);
+  return BACKEND.registerChunk(chunkPath, runtimeParams);
 }
 
 globalThis.TURBOPACK_CHUNK_UPDATE_LISTENERS =