Upgrade docker-py to 7.1.0

[roger530-ho]

Why I did it

When building the image, the following error message occurred.

+ sudo cp files/build_templates/docker_image_ctl.j2 ./fsroot-broadcom/usr/share/sonic/templates/docker_image_ctl.j2
+ sudo LANG=C DOCKER_HOST= chroot ./fsroot-broadcom /usr/local/bin/generate_shutdown_order.py
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/dist-packages/requests/adapters.py", line 633, in send
    conn = self.get_connection_with_tls_context(
  File "/usr/local/lib/python3.9/dist-packages/requests/adapters.py", line 489, in get_connection_with_tls_context
    conn = self.poolmanager.connection_from_host(
  File "/usr/local/lib/python3.9/dist-packages/urllib3/poolmanager.py", line 303, in connection_from_host
    return self.connection_from_context(request_context)
  File "/usr/local/lib/python3.9/dist-packages/urllib3/poolmanager.py", line 325, in connection_from_context
    raise URLSchemeUnknown(scheme)
urllib3.exceptions.URLSchemeUnknown: Not supported URL scheme http+docker

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/dist-packages/docker/api/client.py", line 214, in _retrieve_server_version
    return self.version(api_version=False)["ApiVersion"]
  File "/usr/local/lib/python3.9/dist-packages/docker/api/daemon.py", line 181, in version
    return self._result(self._get(url), json=True)
  File "/usr/local/lib/python3.9/dist-packages/docker/utils/decorators.py", line 46, in inner
    return f(self, *args, **kwargs)
  File "/usr/local/lib/python3.9/dist-packages/docker/api/client.py", line 237, in _get
    return self.get(url, **self._set_request_timeout(kwargs))
  File "/usr/local/lib/python3.9/dist-packages/requests/sessions.py", line 602, in get
    return self.request("GET", url, **kwargs)
  File "/usr/local/lib/python3.9/dist-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python3.9/dist-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.9/dist-packages/requests/adapters.py", line 637, in send
    raise InvalidURL(e, request=request)
requests.exceptions.InvalidURL: Not supported URL scheme http+docker

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/generate_shutdown_order.py", line 15, in <module>
    main()
  File "/usr/local/bin/generate_shutdown_order.py", line 8, in main
    manager = PackageManager.get_manager()
  File "/usr/local/lib/python3.9/dist-packages/sonic_package_manager/manager.py", line 1003, in get_manager
    docker_api = DockerApi(docker.from_env(), ProgressManager())
  File "/usr/local/lib/python3.9/dist-packages/docker/client.py", line 96, in from_env
    return cls(
  File "/usr/local/lib/python3.9/dist-packages/docker/client.py", line 45, in __init__
    self.api = APIClient(*args, **kwargs)
  File "/usr/local/lib/python3.9/dist-packages/docker/api/client.py", line 197, in __init__
    self._version = self._retrieve_server_version()
  File "/usr/local/lib/python3.9/dist-packages/docker/api/client.py", line 221, in _retrieve_server_version
    raise DockerException(
docker.errors.DockerException: Error while fetching server API version: Not supported URL scheme http+docker
+ clean_sys
+ sudo chroot ./fsroot-broadcom umount /sys/fs/cgroup/blkio /sys/fs/cgroup/cpu /sys/fs/cgroup/cpu,cpuacct /sys/fs/cgroup/cpuacct 

How I did it

Apply community PR #19181

How to verify it

Rebuild image

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205

Description for the changelog

Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)