auto update model_info [skip ci] (#637)

This PR is automatically created to update model_info.json

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

models/model_info.json

@@ -1570,5 +1570,9 @@
     "vista2d_v0.2.4": {
         "checksum": "c159465e72f63bec1f61f93b07bdacaef0d51792",
         "source": "https://api.ngc.nvidia.com/v2/models/nvidia/monaihosting/vista2d/versions/0.2.4/files/vista2d_v0.2.4.zip"
+    },
+    "maisi_ct_generative_v0.4.0": {
+        "checksum": "e54400743bdb0381f0beebc347f4605ddd027e30",
+        "source": "https://api.ngc.nvidia.com/v2/models/nvidia/monaihosting/maisi_ct_generative/versions/0.4.0/files/maisi_ct_generative_v0.4.0.zip"
     }
 }