Bump dask from 2021.9.0 to 2021.10.0 in /requirements (#1968)

Bumps [dask](https://github.com/dask/dask) from 2021.9.0 to 2021.10.0.
- [Release notes](https://github.com/dask/dask/releases)
- [Changelog](https://github.com/dask/dask/blob/main/docs/release-procedure.md)
- [Commits](dask/dask@2021.09.0...2021.10.0)

---
updated-dependencies:
- dependency-name: dask
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/REQUIREMENTS-NAPARI-CI.txt

@@ -15,7 +15,7 @@ charset-normalizer==2.0.4
 click==8.0.1
 cloudpickle==1.6.0
 cycler==0.10.0
-dask==2021.9.0
+dask==2021.10.0
 dataclasses==0.6
 debugpy==1.4.1
 decorator==4.4.2