Merge pull request #20 from LSEG-API-Samples/dependabot/pip/urllib3-1.26.18

Bump urllib3 from 1.26.9 to 1.26.18

Author: wasin-waeosri

requirements-notebook.txt

@@ -79,7 +79,7 @@ terminado==0.13.3
 testpath==0.6.0
 tornado==6.3.3
 traitlets==5.1.1
-urllib3==1.26.9
+urllib3==1.26.18
 wcwidth==0.2.5
 webencodings==0.5.1
 websocket-client==1.3.1