another library to help docs run

Author: kthyng

docs/environment.yml

@@ -10,11 +10,12 @@ dependencies:
    - appdirs
    - cmocean
    - fastparquet
+   - importlib_resources  # should update past opendrift 1.12 and remove this when possible
    - numpy
    - xarray
    - kerchunk==0.2.7
    - numpydoc
-   - opendrift==1.13.0
+   - opendrift <=1.13.0
    # These are needed for the docs themselves
    - furo
    - jupytext