feat: add curl_cffi session support with browser impersonation

Add new session utility with curl_cffi support for anti-bot protection
Update all manifest parsers (DASH, HLS, ISM, M3U8) to accept curl_cffi sessions
Add browser impersonation support (Chrome, Firefox, Safari)
Fix cookie handling compatibility between requests and curl_cffi
Suppress HTTPS proxy warnings for better UX
Maintain full backward compatibility with requests.Session

unshackle/core/manifests/m3u8.py

@@ -2,9 +2,10 @@
 
 from __future__ import annotations
 
-from typing import Optional
+from typing import Optional, Union
 
 import m3u8
+from curl_cffi.requests import Session as CurlSession
 from requests import Session
 
 from unshackle.core.manifests.hls import HLS
@@ -15,7 +16,7 @@ def parse(
     master: m3u8.M3U8,
     language: str,
     *,
-    session: Optional[Session] = None,
+    session: Optional[Union[Session, CurlSession]] = None,
 ) -> Tracks:
     """Parse a variant playlist to ``Tracks`` with basic information, defer DRM loading."""
     tracks = HLS(master, session=session).to_tracks(language)