Bump dash from 2.9.3 to 2.15.0 (#485)

* Bump dash from 2.9.3 to 2.15.0

Bumps [dash](https://github.com/plotly/dash) from 2.9.3 to 2.15.0.
- [Release notes](https://github.com/plotly/dash/releases)
- [Changelog](https://github.com/plotly/dash/blob/dev/CHANGELOG.md)
- [Commits](plotly/dash@v2.9.3...v2.15.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

* Update requirements.txt

* Update frozen_dev.txt

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Gibbs Consulting <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-dash>=2.0,<2.10
+dash>=2.0,<3.0
 plotly
 dpd-components