fix(cors): allow sentry headers (#3272)

## Changes

- Fix CORS issue caused by Sentry
I fixed the regex to propagate sentry headers so naturally it cascaded
into another error :D

https://docs.sentry.io/platforms/javascript/guides/react/tracing/trace-propagation/dealing-with-cors-issues/

packages/server/lib/routes.ts

@@ -168,7 +168,7 @@ const publicAPICorsHandler = cors({
     maxAge: 600,
     exposedHeaders: 'Authorization, Etag, Content-Type, Content-Length, X-Nango-Signature, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset',
     allowedHeaders:
-        'Authorization, Content-Type, Accept, Origin, X-Requested-With, Nango-Activity-Log-Id, Nango-Is-Dry-Run, Nango-Is-Sync, Provider-Config-Key, Connection-Id',
+        'Authorization, Content-Type, Accept, Origin, X-Requested-With, Nango-Activity-Log-Id, Nango-Is-Dry-Run, Nango-Is-Sync, Provider-Config-Key, Connection-Id, Sentry-Trace, Baggage',
     origin: '*'
 });
 publicAPI.use(publicAPICorsHandler);