Update setup.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: mphemming

setup.py

@@ -5,7 +5,7 @@
     'numpy>=2.2.4',
     'netCDF4>=1.7.2',
     'pandas>=2.2.3',
-    'xarray>=2025.3.1'
+    'xarray>=2023.1.0'
 ]
 
 TESTS_REQUIRE = [