Stabilize CI test runs with deterministic environment settings #65

Job	Run time
Discover regression systems	43s
Unit (macos-15, 3.12)	58s
Unit (macos-15, 3.13)	1m 2s
Unit (ubuntu-24.04, 3.13)	48s
Unit (windows-2025, 3.14)	1m 34s
Unit (windows-2025, 3.12)	1m 48s
Unit (ubuntu-24.04, 3.12)	46s
Unit (macos-15, 3.14)	1m 3s
Unit (ubuntu-24.04, 3.14)	52s
Unit (windows-2025, 3.13)	1m 46s
Docs	59s
Coverage	58s
Pre-commit	1m 2s
Regression (fast) • benzene	4m 39s
Regression (fast) • benzaldehyde	5m 17s
Regression (fast) • water	2m 5s
Regression (fast) • ethyl-acetate	4m 19s
Regression (fast) • cyclohexane	5m 10s
Regression (fast) • dna	2m 37s
Regression (fast) • octonol	6m 0s
Regression (fast) • methanol	2m 23s
Regression (fast) • methane	2m 6s
	48m 55s

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