Enable strict concurrency #193

Job	Run time
Compatibility test	5m 3s
Example packages / Windows (6.0)	3s
Example packages / Linux (5.9)	17m 29s
Example packages / Windows (nightly-6.0)	2s
Example packages / Linux (5.10)	15m 32s
Integration test / Linux (5.9)	1m 38s
Example packages / Windows (nightly-main)	2s
Example packages / Linux (6.0)	17m 54s
Integration test / Windows (6.0)	3s
Integration test / Linux (5.10)	1m 44s
Example packages / Linux (nightly-6.0)	22m 49s
Integration test / Linux (6.0)	1m 49s
Example packages / Linux (nightly-main)	35s
Integration test / Linux (nightly-6.0)	2m 10s
Integration test / Windows (nightly-6.0)	3s
Integration test / Linux (nightly-main)	30s
Integration test / Windows (nightly-main)	1s
Soundness / API breakage check	0s
Soundness / Broken symlinks check	3s
Soundness / Documentation check	1m 49s
Soundness / Format check	36s
Soundness / License headers check	5s
Soundness / Python lint check	5s
Soundness / Shell check	37s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	0s
Unit tests / Unit tests / Windows (nightly-6.0)	3s
Unit tests / Unit tests / Windows (6.0)	3s
Unit tests / Unit tests / Linux (5.9)	1m 40s
Unit tests / Unit tests / Windows (nightly-main)	3s
Unit tests / Unit tests / Linux (5.10)	1m 34s
Unit tests / Unit tests / Linux (6.0)	1m 47s
Unit tests / Unit tests / Linux (nightly-6.0)	2m 8s
Unit tests / Unit tests / Linux (nightly-main)	34s
	1h 38m 37s

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