Merge pull request #7142 from docker/dependabot/pip/ipaddress-1.0.23

Bump ipaddress from 1.0.18 to 1.0.23

requirements.txt

@@ -11,7 +11,7 @@ docopt==0.6.2
 enum34==1.1.6; python_version < '3.4'
 functools32==3.2.3.post2; python_version < '3.2'
 idna==2.8
-ipaddress==1.0.18
+ipaddress==1.0.23
 jsonschema==3.2.0
 paramiko==2.7.1
 pypiwin32==219; sys_platform == 'win32' and python_version < '3.6'