Bump dash from 0.39.0 to 1.19.0 (#28)

Bumps [dash](https://github.com/plotly/dash) from 0.39.0 to 1.19.0.
- [Release notes](https://github.com/plotly/dash/releases)
- [Changelog](https://github.com/plotly/dash/blob/dev/CHANGELOG.md)
- [Commits](plotly/dash@v0.39.0...v1.19.0)

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

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

requirements.txt

@@ -1,7 +1,7 @@
 # requires Python 3.9.1
 aenum==3.0.0
 coloredlogs==15.0
-dash==0.39.0
+dash==1.19.0
 h5py==3.2.1
 jsonschema==3.2
 matplotlib==3.3.4