refactor: Refactor and split-up settings #1150

Job	Run time
changes	3s
run-deny	1m 28s
run-tests (ubuntu-latest, stable, all)	9m 2s
run-docs	3m 14s
run-tests (ubuntu-latest, stable, none)	6m 24s
run-checks (ubuntu-latest, stable)	2m 9s
run-tests (ubuntu-latest, nightly, all)	8m 29s
run-tests-windows (stable, all)	16m 1s
run-checks (ubuntu-latest, nightly)	2m 11s
run-tests (ubuntu-latest, nightly, none)	5m 59s
run-tests-windows (stable, none)	14m 25s
run-checks (macos-latest, stable)	5m 8s
run-tests (macos-latest, stable, all)	5m 27s
run-tests-windows (nightly, all)	16m 3s
run-checks (macos-latest, nightly)	7m 16s
run-tests-windows (nightly, none)	14m 41s
run-checks (windows-latest, stable)	5m 53s
run-checks (windows-latest, nightly)	6m 32s
run-tests (macos-latest, stable, none)	3m 51s
run-tests (macos-latest, nightly, all)	8m 5s
run-tests (macos-latest, nightly, none)	8m 27s
	2h 30m 48s

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