Remove six dependency, use stdlib urllib.parse

The project requires Python >=3.9, so six (a Python 2/3 compat library)
is unnecessary. Replace all six.moves.urllib imports in examples with
their stdlib equivalents and remove six from test dependencies.

https://claude.ai/code/session_01Up7npYZdfHZ4A4fpzFTAo2

Author: claude

examples/sync_funcaptcha_request.py

@@ -2,7 +2,7 @@
 from os import environ
 
 import requests
-from six.moves.urllib import parse
+from urllib import parse
 
 from python_anticaptcha import AnticaptchaClient, FunCaptchaTask
 

examples/sync_funcaptcha_selenium.py

@@ -3,8 +3,8 @@
 from random import choice
 
 from selenium.webdriver.common.by import By
-from six.moves.urllib import parse
-from six.moves.urllib.parse import quote
+from urllib import parse
+from urllib.parse import quote
 
 from python_anticaptcha import AnticaptchaClient, FunCaptchaTask
 

examples/sync_funcaptcha_selenium_callback.py

@@ -5,7 +5,7 @@
 from os import environ
 
 from selenium.webdriver.common.by import By
-from six.moves.urllib.parse import quote
+from urllib.parse import quote
 
 from python_anticaptcha import AnticaptchaClient, FunCaptchaProxylessTask
 

examples/sync_hcaptcha_request_proxy.py

@@ -2,7 +2,7 @@
 from os import environ
 
 import requests
-from six.moves.urllib import parse
+from urllib import parse
 
 from python_anticaptcha import AnticaptchaClient, HCaptchaTask
 

examples/sync_recaptcha3_request.py

@@ -2,7 +2,7 @@
 from os import environ
 
 import requests
-from six.moves.urllib_parse import urljoin
+from urllib.parse import urljoin
 
 from python_anticaptcha import AnticaptchaClient, RecaptchaV3TaskProxyless
 

pyproject.toml

@@ -30,7 +30,7 @@ Homepage = "https://github.com/ad-m/python-anticaptcha"
 
 [project.optional-dependencies]
 async = ["httpx>=0.24"]
-tests = ["pytest", "pytest-asyncio", "httpx>=0.24", "retry", "selenium", "six"]
+tests = ["pytest", "pytest-asyncio", "httpx>=0.24", "retry", "selenium"]
 docs = ["sphinx", "sphinx-rtd-theme"]
 
 [tool.setuptools.package-data]