Bump black from 22.3.0 to 24.3.0 in /requirements

Bumps [black](https://github.com/psf/black) from 22.3.0 to 24.3.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@22.3.0...24.3.0)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 24.3.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/ci.txt

@@ -1,5 +1,5 @@
 # Dependencies used by CI on github.com/plotly/dash
-black==22.3.0
+black==24.3.0
 flake8==7.0.0
 flaky==3.8.1
 flask-talisman==1.0.0