Describe the bug
Using (default) timeout option does not take effect.

To reproduce
During the outage https://status.launchdarkly.com/incidents/2272yx0d6fh8 our monitoring reported average response time over the default 5 seconds timeout.

Expected behavior
Using (default) timeout option does take effect.

Logs

SDK version
5.13.4

Additional context
Based on nodejs/node#12005 (comment) the httpRequest util should subscribe to timeout event and abort request?

req.on('timeout', () => { req.abort(); });