Update dependency urllib3 to v2

mend-for-github-com[bot] · web-flow · commit 5c4db0425d9b · 2026-01-08T13:48:59.000Z
diff --git a/requirements.txt b/requirements.txt
@@ -22,7 +22,7 @@ pytz==2021.1
 requests==2.25.1
 six==1.11.0
 tornado==6.1
-urllib3==1.22
+urllib3==2.6.3
 vonage==2.5.5
 websocket-client==0.48.0
 wrapt==1.12.1
