Update accessibility docs #444

Job	Run time
a11y-tests (ubuntu-latest, 3.12)	3m 46s
build PST docs (ubuntu-latest, 3.12)	1m 25s
run-pytest (ubuntu-latest, 3.9)	1m 25s
build PST docs (macos-latest, 3.12)	2m 8s
run-pytest (ubuntu-latest, 3.10)	1m 29s
build PST docs (windows-latest, 3.12)	3m 34s
run-pytest (ubuntu-latest, 3.11)	1m 9s
build PST docs (ubuntu-latest, 3.9, 6.1)	1m 11s
run-pytest (ubuntu-latest, 3.12)	1m 38s
run-pytest (ubuntu-24.04, 3.11)	1m 15s
run-pytest (ubuntu-24.04, 3.12)	1m 33s
run-pytest (macos-14, 3.10)	1m 37s
run-pytest (macos-14, 3.11)	1m 24s
run-pytest (macos-14, 3.12)	1m 44s
run-pytest (windows-latest, 3.9)	3m 9s
run-pytest (windows-latest, 3.10)	2m 16s
run-pytest (windows-latest, 3.11)	3m 10s
run-pytest (windows-latest, 3.12)	3m 10s
run-pytest (ubuntu-latest, 3.9, 6.1)	1m 26s
run-pytest (ubuntu-latest, 3.12, dev)	1m 57s
Check coverage	33s
lighthouse-audit	4m 9s
profiling	22s
	45m 30s

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