Currently, there are no plans to rip the animations from Half Life: Alyx for this model pack

How do I do it on my own you ask? Take the model you want to rip animations from, from the raw rips in pack01_dir. You are probably going to want to get all of it's texture and vmat files as well.

Then, download SourceIO for Blender from here: https://github.com/REDxEYE/SourceIO

Add SourceIO to Blender as an addon.

Once you've done that, go to File > Import > Source Engine Assets > Source2 Model (.vmdl).

In the Blender file explorer window that pops up, find your .vmdl file associated with the model you want to rip animations from. 

Before you press Import Source2 VMDL, hit the box on the right that says Import animations.

Now hit Import Source2 VMDL. Note that depending on the specific model and your system hardware, this may take some time to do.

Congratulations! You now have a Half Life: Alyx model with animations.