Minimal update of deps to allow installing on ARM Mac (#207)

Author: saulshanabrook

binder/environment.yml

@@ -3,13 +3,13 @@ channels:
   - conda-forge
 dependencies:
   - python=3.8
-  - bokeh=2.1.1
+  - bokeh=2.2.3
   - dask=2.20.0
   - dask-image=0.2.0
   - dask-ml=1.6.0
   - dask-labextension=2.0.2
   - jupyterlab=2.1
-  - nodejs=14
+  - nodejs=16
   - numba
   - numpy=1.21
   - pip