chore: Fix bug in changelog about runWithAsyncContext (#7873)

Author: jeengbe

CHANGELOG.md

@@ -24,7 +24,7 @@ If you want to manually add async context isolation to your application, you can
 import * as Sentry from '@sentry/node';
 
 const requestHandler = (ctx, next) => {
-  return new Promise((resolve) => {
+  return new Promise((resolve, reject) => {
     Sentry.runWithAsyncContext(async () => {
       const hub = Sentry.getCurrentHub();
 
@@ -38,7 +38,11 @@ const requestHandler = (ctx, next) => {
         )
       );
 
-      await next();
+      try {
+        await next();
+      } catch (err) {
+        reject(err);
+      }
       resolve();
     });
   });