fix: don't hide async exceptions in logs

Fixes #4646. Using the repro on #4646, this now produces the log:

```
11/Feb/2026:09:40:08 -0500: Warp server error: stack overflow
```

When:
```
$ curl localhost:3000/
curl: (52) Empty reply from server
```

CHANGELOG.md

@@ -15,6 +15,8 @@ All notable changes to this project will be documented in this file. From versio
 
 ### Fixed
 
+- Don't hide async exceptions in logs by @stevechavez in #4646
+
 ### Changed
 
 - Log error when `db-schemas` config contains schema `pg_catalog` or `information_schema` by @taimoorzaeem in #4359