Enable MemberImportVisibility check on all targets #83

Job	Run time
Unit tests / Construct unit test matrix	3s
Integration test / Windows (6.0)	3s
Integration test / Linux (5.9)	1m 51s
Integration test / Windows (nightly-6.0)	3s
Integration test / Linux (5.10)	1m 38s
Integration test / Windows (nightly-main)	3s
Integration test / Linux (6.0)	1m 51s
Soundness / API breakage check	51s
Integration test / Linux (nightly-6.0)	2m 15s
Soundness / Broken symlinks check	3s
Integration test / Linux (nightly-main)	29s
Soundness / Documentation check	1m 2s
Soundness / License headers check	4s
Soundness / Unacceptable language check	5s
Soundness / Format check	35s
Soundness / Python lint check	5s
Soundness / Shell check	36s
Soundness / YAML lint check	5s
Unit tests / Unit tests / Linux (5.9)	41s
Unit tests / Unit tests / Linux (5.10)	45s
Unit tests / Unit tests / Linux (6.0)	49s
Unit tests / Unit tests / Linux (nightly-6.0)	58s
	14m 55s

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