Update requirements to add inference for ltx-video

Author: hjajoo-g

requirements.txt

@@ -24,7 +24,7 @@ pytest==8.2.2
 tensorflow>=2.17.0
 tensorflow-datasets>=4.9.6
 ruff>=0.1.5,<=0.2
-git+https://github.com/Lightricks/LTX-Video
+git+https://github.com/Lightricks/LTX-Video.git#egg=ltx-video[inference]
 git+https://github.com/zmelumian972/xla@torchax/jittable_module_callable#subdirectory=torchax
 opencv-python-headless==4.10.0.84
 orbax-checkpoint