DEV - Refactor CI and environment setup #3

Job	Run time
lint	1m 0s
a11y-tests (ubuntu-latest, 3.12)	2m 25s
build PST docs (ubuntu-latest, 3.12)	37s
run-pytest (ubuntu-latest, 3.9)	1m 23s
run-pytest (ubuntu-latest, 3.10)	1m 30s
build PST docs (macos-latest, 3.12)	50s
run-pytest (ubuntu-latest, 3.11)	1m 20s
build PST docs (windows-latest, 3.12)	1m 32s
run-pytest (ubuntu-latest, 3.12)	1m 42s
build PST docs (ubuntu-latest, 3.9, 61)	37s
run-pytest (macos-latest, 3.9)	1m 22s
run-pytest (macos-latest, 3.10)	1m 32s
run-pytest (macos-latest, 3.11)	1m 48s
run-pytest (macos-latest, 3.12)	1m 18s
run-pytest (macos-14, 3.10)	1m 28s
run-pytest (macos-14, 3.11)	1m 7s
run-pytest (macos-14, 3.12)	1m 23s
run-pytest (windows-latest, 3.9)	3m 9s
run-pytest (windows-latest, 3.10)	2m 22s
run-pytest (windows-latest, 3.11)	2m 37s
run-pytest (windows-latest, 3.12)	3m 4s
run-pytest (ubuntu-latest, 3.9, 61)	1m 24s
run-pytest (ubuntu-latest, 3.12, dev)	1m 53s
lighthouse-audit	3m 38s
profile	17s
check coverage	21s
	41m 39s

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