Merge pull request #8358 from docker/dependabot/pip/urllib3-1.26.5

Bump urllib3 from 1.25.10 to 1.26.5

requirements.txt

@@ -18,5 +18,5 @@ pywin32==227; sys_platform == 'win32'
 PyYAML==5.4.1
 requests==2.24.0
 texttable==1.6.2
-urllib3==1.25.10; python_version == '3.3'
+urllib3==1.26.5; python_version == '3.3'
 websocket-client==0.57.0