Add support for versionremoved directive #587

Job	Run time
a11y-tests (ubuntu-latest, 3.12)	3m 54s
build PST docs (ubuntu-latest, 3.12)	1m 29s
run-pytest (ubuntu-latest, 3.9)	1m 29s
build PST docs (macos-latest, 3.12)	3m 13s
run-pytest (ubuntu-latest, 3.10)	1m 36s
build PST docs (windows-latest, 3.12)	3m 1s
run-pytest (ubuntu-latest, 3.11)	1m 30s
build PST docs (ubuntu-latest, 3.9, 6.1)	1m 20s
run-pytest (ubuntu-latest, 3.12)	1m 49s
run-pytest (ubuntu-24.04, 3.11)	1m 31s
run-pytest (ubuntu-24.04, 3.12)	1m 37s
run-pytest (macos-14, 3.10)	3m 21s
run-pytest (macos-14, 3.11)	2m 8s
run-pytest (macos-14, 3.12)	2m 5s
run-pytest (windows-latest, 3.9)	2m 41s
run-pytest (windows-latest, 3.10)	2m 49s
run-pytest (windows-latest, 3.11)	2m 56s
run-pytest (windows-latest, 3.12)	3m 3s
run-pytest (ubuntu-latest, 3.9, 6.1)	1m 28s
run-pytest (ubuntu-latest, 3.12, dev)	1m 58s
lighthouse-audit	3m 47s
Check coverage	40s
profiling	26s
	49m 51s

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