Update hats dependency version in pyproject.toml (#1062)

Author: gitosaurus

pyproject.toml

@@ -22,7 +22,7 @@ dependencies = [
     # dask diagnostics is required to spin up the dashboard for profiling.
     "dask[complete]>=2025.3.0",
     "deprecated",
-    "hats>=0.6.5,<0.7.0",
+    "hats>=0.6.6,<0.7.0",
     "nested-pandas>=0.4.7,<0.6.0",
 
     # NOTE: package PINNED at <21.0.0, see https://github.com/astronomy-commons/lsdb/issues/974