.pre-commit-config.yaml: bump black hook to 24.3.0

Running `pre-commit autoupdate` showed that there is a new version of
the black hook for v24.3.0.  Update it.

ChangeLog:

	* .pre-commit-config.yaml: Bump black hook to 24.3.0

Change-Id: I5ec7d2edf99cd15f6525281a43aed9ff481ee9ee