Bump twilio from 6.30.0 to 6.44.1

Bumps [twilio](https://github.com/twilio/twilio-python) from 6.30.0 to 6.44.1.
- [Release notes](https://github.com/twilio/twilio-python/releases)
- [Changelog](https://github.com/twilio/twilio-python/blob/master/CHANGES.md)
- [Commits](twilio/twilio-python@6.30.0...6.44.1)

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

Author: dependabot-preview[bot]

requirements.txt

@@ -7,5 +7,5 @@ pylint==2.3.1
 python-memcached==1.59
 requests-aws4auth==1.0
 telegram==0.0.1
-twilio==6.30.0
+twilio==6.44.1
 wit==6.0.0