Update setup.py

Move cython dependency to be installed before PyYAML dependency

Author: MagdaJuarez

setup.py

@@ -31,6 +31,7 @@
         "keywords": ["NEMO", "shallow water", "ocean assessment"],
         "project_urls": {"documentation": "https://british-oceanographic-data-centre.github.io/COAsT/"},
         "install_requires": [
+            "cython<3.0.0",
             "PyYAML==6.0",
             "oyaml==1.0",
             "pytest==7.1.1",
@@ -53,7 +54,6 @@
             "aiohttp==3.11.13",
             "tqdm==4.67.1",
             "pyproj==3.6.1",
-            "cython<3.0.0",
             "cartopy==0.23.0",
             "h5py==3.6.0",
             "zarr==2.18.2",