fix zarr version to 2

zarr version 3 breaks a few things, we should probably update, but after the libraries we depend on update to support ome-zarr

Author: pattonw

pyproject.toml

@@ -20,7 +20,7 @@ keywords = []
 dependencies = [
     "funlib.geometry",
     "networkx",
-    "zarr",
+    "zarr>=2,<3",
     "pymongo",
     "numpy",
     "h5py",