Update dependency requests to v2.28.2

Author: whitesource-ets[bot]

requirements.txt

@@ -1,5 +1,5 @@
 # (c) Copyright IBM Corp. 2020,2021
 # Apache License, Version 2.0 (see https://opensource.org/licenses/Apache-2.0)
-requests==2.23.0
+requests==2.28.2
 xmltodict==0.12.0
 typing;python_version<"3.5"