update required xarray version in pyproject.toml

Author: TomNicholas

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "cubed-xarray"
-version = "0.0.4"
+version = "0.0.5"
 authors = [
     {name = "Tom Nicholas", email = "tomnicholas1@googlemail.com"}
 ]
@@ -22,7 +22,7 @@ classifiers = [
 requires-python = ">=3.9"
 dependencies = [
     "numpy >= 1.17",
-    "xarray >= 2023.05.0",
+    "xarray >= 2024.02.0",
     "cubed >= 0.6.3",
 ]