Update main branch after releasing 9.0 #1459

Job	Run time
changelog-and-linters / linters / Run Tox based code tests	1m 7s
changelog-and-linters / changelog / Require a changelog	8s
units / unit-source / py3.9 / stable-2.15	1m 0s
units / unit-source / py3.10 / stable-2.15	1m 0s
sanity / sanity / py3.9 / ubuntu-latest / stable-2.15	2m 49s
units / unit-source / py3.11 / stable-2.15	54s
sanity / sanity / py3.10 / ubuntu-latest / stable-2.15	2m 44s
units / unit-source / py3.10 / stable-2.16	52s
sanity / sanity / py3.11 / ubuntu-latest / stable-2.15	2m 21s
units / unit-source / py3.11 / stable-2.16	53s
sanity / sanity / py3.10 / ubuntu-latest / stable-2.16	2m 27s
units / unit-source / py3.12 / stable-2.16	1m 8s
sanity / sanity / py3.11 / ubuntu-latest / stable-2.16	2m 13s
units / unit-source / py3.10 / stable-2.17	55s
sanity / sanity / py3.12 / ubuntu-latest / stable-2.16	2m 27s
units / unit-source / py3.11 / stable-2.17	1m 5s
sanity / sanity / py3.10 / ubuntu-latest / stable-2.17	2m 32s
units / unit-source / py3.12 / stable-2.17	1m 6s
sanity / sanity / py3.11 / ubuntu-latest / stable-2.17	2m 17s
sanity / sanity / py3.12 / ubuntu-latest / stable-2.17	2m 22s
units / unit-source / py3.11 / milestone	58s
sanity / sanity / py3.11 / ubuntu-latest / milestone	1m 58s
units / unit-source / py3.12 / milestone	1m 11s
sanity / sanity / py3.12 / ubuntu-latest / milestone	2m 28s
units / unit-source / py3.11 / devel	55s
sanity / sanity / py3.11 / ubuntu-latest / devel	2m 7s
units / unit-source / py3.12 / devel	1m 8s
sanity / sanity / py3.12 / ubuntu-latest / devel	2m 13s
all_green	1s
	45m 19s

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