Update dependency requests to v2.20.0 [SECURITY]

Author: renovate[bot]

_RESOURCES/course-work/Sprint-Challenge--Hash-BC-andrew-brudnak/Pipfile

@@ -7,7 +7,7 @@ verify_ssl = true
 flake8 = "*"
 
 [packages]
-requests = "==2.18.4"
+requests = "==2.20.0"
 flask = "==0.12.2"
 
 [requires]