DEV - Refactor CI and environment setup #3747

Job	Run time
lint (ubuntu-latest, 3.12)	25s
run-pytest (ubuntu-latest, 3.9, rls)	2m 13s
build-site (ubuntu-latest, 3.12)	1m 47s
run-pytest (ubuntu-latest, 3.10, rls)	2m 12s
build-site (macos-latest, 3.12)	1m 40s
run-pytest (ubuntu-latest, 3.11, rls)	2m 9s
build-site (windows-latest, 3.12)	6m 15s
run-pytest (ubuntu-latest, 3.12, rls)	6m 25s
build-site (ubuntu-latest, 3.9, old)	1m 44s
run-pytest (macos-latest, 3.12, rls)	1m 49s
run-pytest (windows-latest, 3.12, rls)	4m 20s
run-pytest (ubuntu-latest, 3.9, old)	2m 1s
run-pytest (ubuntu-latest, 3.12, dev)	6m 32s
audit (ubuntu-latest, 3.12)	4m 56s
Collect Coverage	27s
profile	0s
	44m 55s

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