⬆️ Bump dask and distributed from 2020.12.0 to 2021.1.0 (#236)

* ⬆️ Bump dask from 2020.12.0 to 2021.1.0

Bumps [dask](https://github.com/dask/dask) from 2020.12.0 to 2021.1.0.
- [Release notes](https://github.com/dask/dask/releases)
- [Changelog](https://github.com/dask/dask/blob/master/docs/release-procedure.md)
- [Commits](dask/dask@2020.12.0...2021.01.0)

* ⬆️ Bump distributed from 2020.12.0 to 2021.1.0

Bumps [distributed](https://github.com/dask/distributed) from 2020.12.0 to 2021.1.0.
- [Release notes](https://github.com/dask/distributed/releases)
- [Changelog](https://github.com/dask/distributed/blob/master/docs/release-procedure.md)
- [Commits](dask/distributed@2020.12.0...2021.01.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Wei Ji <weiji.leong@vuw.ac.nz>

pyproject.toml

@@ -10,11 +10,11 @@ alphashape = "^1.1.0"
 cartopy = "^0.18.0"
 cupy-cuda102 = {version = "^8.0.0", optional = true}
 cython = "^0.29.21"
-dask = "^2020.12.0"
+dask = "^2021.1.0"
 dask-cuda = {version = "^0.17.0", optional = true}
 dask-labextension = "^5.0.0"
 datashader = "^0.12.0"
-distributed = "^2020.12.0"
+distributed = "^2021.1.0"
 geopandas = "^0.8.1"
 geoviews = "^1.8.1"
 h5netcdf = "^0.8.1"