MAINT - Add CI env check for a11y tests #176

Job	Run time
a11y-tests (ubuntu-latest, 3.12)	3m 40s
build PST docs (ubuntu-latest, 3.12)	1m 16s
run-pytest (ubuntu-latest, 3.9)	1m 18s
build PST docs (macos-latest, 3.12)	2m 11s
build PST docs (windows-latest, 3.12)	3m 41s
run-pytest (ubuntu-latest, 3.10)	1m 23s
build PST docs (ubuntu-latest, 3.9, 6.1)	1m 27s
run-pytest (ubuntu-latest, 3.11)	1m 14s
run-pytest (ubuntu-latest, 3.12)	1m 34s
run-pytest (ubuntu-24.04, 3.11)	1m 19s
run-pytest (ubuntu-24.04, 3.12)	1m 29s
run-pytest (macos-14, 3.10)	1m 12s
run-pytest (macos-14, 3.11)	1m 5s
run-pytest (macos-14, 3.12)	1m 33s
run-pytest (macos-13, 3.9)	2m 32s
run-pytest (macos-13, 3.10)	1m 52s
run-pytest (macos-13, 3.11)	1m 48s
run-pytest (macos-13, 3.12)	3m 5s
run-pytest (windows-latest, 3.9)	2m 13s
run-pytest (windows-latest, 3.10)	2m 15s
run-pytest (windows-latest, 3.11)	2m 12s
run-pytest (windows-latest, 3.12)	2m 28s
run-pytest (ubuntu-latest, 3.9, 6.1)	1m 19s
run-pytest (ubuntu-latest, 3.12, dev)	1m 40s
lighthouse-audit	4m 2s
check coverage	24s
profiling	13s
	50m 25s

Provide feedback