Merge pull request #4 from aws-samples/dependabot/pip/infrastructure/urllib3-1.26.18

Bump urllib3 from 1.26.16 to 1.26.18 in /infrastructure

Author: rlunar

infrastructure/requirements.txt

@@ -35,5 +35,5 @@ stevedore==5.1.0
 tomli==2.0.1
 typeguard==2.13.3
 typing_extensions==4.7.1
-urllib3==1.26.16
+urllib3==1.26.18
 zipp==3.17.0