Bump twilio from 6.30.0 to 6.59.1

Bumps [twilio](https://github.com/twilio/twilio-python) from 6.30.0 to 6.59.1.
- [Release notes](https://github.com/twilio/twilio-python/releases)
- [Changelog](https://github.com/twilio/twilio-python/blob/main/CHANGES.md)
- [Commits](twilio/twilio-python@6.30.0...6.59.1)

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

Author: dependabot-preview[bot]

requirements.txt

@@ -1,7 +1,7 @@
 # Requirements for server-notifications-django
 
 Django==2.2.5
-twilio==6.30.0
+twilio==6.59.1
 python-dotenv==0.10.3
 
 # Production dependencies