Merge pull request #50 from talkpython/dependabot/pip/days/051-twilio/code/urllib3-1.26.5

Bump urllib3 from 1.24.2 to 1.26.5 in /days/051-twilio/code

Author: mikeckennedy

days/051-twilio/code/requirements.txt

@@ -7,4 +7,4 @@ pytz==2019.1
 requests==2.21.0
 six==1.12.0
 twilio==6.26.1
-urllib3==1.24.2
+urllib3==1.26.5