Add GLM4.1V model (Draft) (#19331)

Signed-off-by: zRzRzRzRzRzRzR <2448370773@qq.com>
Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>
Co-authored-by: Isotr0py <mozf@mail2.sysu.edu.cn>

tests/entrypoints/openai/test_video.py

@@ -50,7 +50,7 @@ async def client(server):
 @pytest.fixture(scope="session")
 def base64_encoded_video() -> dict[str, str]:
     return {
-        video_url: encode_video_base64(fetch_video(video_url))
+        video_url: encode_video_base64(fetch_video(video_url)[0])
         for video_url in TEST_VIDEO_URLS
     }