Bump bokeh from 2.3.2 to 2.4.1

Bumps [bokeh](https://github.com/bokeh/bokeh) from 2.3.2 to 2.4.1.
- [Release notes](https://github.com/bokeh/bokeh/releases)
- [Changelog](https://github.com/bokeh/bokeh/blob/branch-3.0/CHANGELOG)
- [Commits](https://github.com/bokeh/bokeh/compare/2.3.2...2.4.1)

---
updated-dependencies:
- dependency-name: bokeh
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

setup.py

@@ -57,7 +57,7 @@ setup(
         'tqdm==4.62.3',
         'requests==2.26.0',
         'matplotlib==3.3.4',
-        'bokeh==2.3.2',
+        'bokeh==2.4.1',
         'pandas==1.1.5',
         'flydenity==0.1.6',
         'gunicorn==20.1.0'