1.0b1rc2 fixups

small fixes from 1.0b1rc2

buildbucket/buildbucket_environment.yaml

@@ -4,7 +4,7 @@ channels:
 dependencies:
   - conda-pack
   - curl
-  - dask
+  - dask<=2.3.0 # this is to avoid dask hangs we saw using 2021.2.0
   - distributed
   - netcdf4
   - pip
@@ -27,4 +27,4 @@ dependencies:
     - git+https://github.com/deeplycloudy/lmatools.git@minvaluegrids
     - git+https://github.com/deeplycloudy/stormdrain.git
     - git+https://github.com/deeplycloudy/glmtools.git@master
-    - git+https://github.com/pytroll/satpy.git@3544d60940dba9129499ac3ee303c0705a9ddf7b
\ No newline at end of file
+    - git+https://github.com/pytroll/satpy.git@d556c806e2b66e5ac1c5b0613c6290edfeb43b92
\ No newline at end of file