add http2

src/download.py

@@ -186,6 +186,7 @@ class DownloadManager(QObject):
                 follow_redirects=True,
                 verify=False,
                 cookies=self.cookies,
+                http2=True,
             ) as client:
                 # requête pour le téléchargement
                 async with client.stream("GET", file.url, headers=headers) as response: