Bump twilio/sdk from 6.16.1 to 6.18.0
Bump twilio/sdk from 6.16.1 to 6.18.0

Bumps [twilio/sdk](https://github.com/twilio/twilio-php) from 6.16.1 to 6.18.0.
- [Release notes](https://github.com/twilio/twilio-php/releases)
- [Changelog](https://github.com/twilio/twilio-php/blob/main/CHANGES.md)
- [Commits](https://github.com/twilio/twilio-php/compare/6.16.1...6.18.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
tzsk/sms