Socks support issue

[japa-fi]

Thanks for including the missing dependancies for proxy support.
There is still problem with the proxy support.

Basically did following:

japa-fi@mycloudhost:# screen
(window 1):
japa-fi@mycloudhost:# ssh my-finnish.host.fi -D 3080
(connected ok)
(open new terminal in screen)
japa-fi@mycloudhost:~# docker run --rm -ti -u=$(id -u):$(id -g) -v "$(pwd)":/out taskinen/yle-dl https://areena.yle.fi/1-50724762 --proxy socks5://127.0.0.1:3080

yle-dl 20210808: Download media files from Yle Areena and Elävä Arkisto
Copyright (C) 2009-2021 Antti Ajanki antti.ajanki@iki.fi, license: GPLv3

Traceback (most recent call last):
File "/usr/lib/python3.9/site-packages/socks.py", line 787, in connect
super(socksocket, self).connect(proxy_addr)
ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.9/site-packages/urllib3/contrib/socks.py", line 96, in _new_conn
conn = socks.create_connection(
File "/usr/lib/python3.9/site-packages/socks.py", line 209, in create_connection
raise err
File "/usr/lib/python3.9/site-packages/socks.py", line 199, in create_connection
sock.connect((remote_host, remote_port))
File "/usr/lib/python3.9/site-packages/socks.py", line 47, in wrapper
return function(*args, **kwargs)
File "/usr/lib/python3.9/site-packages/socks.py", line 800, in connect
raise ProxyConnectionError(msg, error)
socks.ProxyConnectionError: Error connecting to SOCKS5 proxy 127.0.0.1:3080: [Errno 111] Connection refused

rinse repeat couple of connection refused errors.

Testing with curl, I could verify the socks5 proxy was operational.
japa-fi@mycloudhost:~# curl https://areena.yle.fi/1-50724762 --proxy socks5://localhost:3080
(the page was fetched)

Appreciate if you can have a look at this.