Prepare for 2.4 release #1402

Job	Run time
service-tests (buildbarn)	1m 36s
build_docs	3m 51s
Build Python wheel packages on ubuntu-22.04	4m 30s
service-tests (buildgrid)	3m 25s
tests (debian-11)	8m 27s
tests (fedora-40)	8m 26s
tests (fedora-41)	8m 26s
tests (fedora-missing-deps)	8m 26s
tests (ubuntu-22.04)	8m 25s
tests (lint)	1m 43s
tests (mypy)	39s
tests (plugins-master, true)	8m 24s
Test Python packages: wheels-manylinux_2_28-cp39	1m 17s
Test Python packages: wheels-manylinux_2_28-cp310	1m 14s
Test Python packages: wheels-manylinux_2_28-cp311	1m 30s
Test Python packages: wheels-manylinux_2_28-cp312	1m 26s
Test Python packages: wheels-manylinux_2_28-cp313	1m 19s
	1h 13m 4s

Provide feedback