Bump bl and twilio

Removes [bl](https://github.com/rvagg/bl). It's no longer used after updating ancestor dependency [twilio](https://github.com/twilio/twilio-node). These dependencies need to be updated together.


Removes `bl`

Updates `twilio` from 2.11.1 to 3.84.0
- [Release notes](https://github.com/twilio/twilio-node/releases)
- [Changelog](https://github.com/twilio/twilio-node/blob/main/CHANGES.md)
- [Upgrade guide](https://github.com/twilio/twilio-node/blob/main/UPGRADE.md)
- [Commits](twilio/twilio-node@2.11.1...3.84.0)

---
updated-dependencies:
- dependency-name: bl
  dependency-type: indirect
- dependency-name: twilio
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>