Enable MemberImportVisibility check on all targets #35

Job	Run time
Cxx interop / Construct Cxx interop matrix	3s
Unit tests / Construct unit test matrix	2s
Soundness / API breakage check	2m 13s
Soundness / Documentation check	1m 52s
Soundness / Broken symlinks check	2s
Soundness / Format check	36s
Soundness / License headers check	3s
Soundness / Shell check	35s
Soundness / Unacceptable language check	2s
Soundness / Python lint check	8s
Soundness / YAML lint check	2s
Unit tests / Unit tests / Linux (5.9)	2m 52s
Unit tests / Unit tests / Linux (5.10)	2m 45s
Unit tests / Unit tests / Linux (6.0)	2m 48s
Unit tests / Unit tests / Linux (nightly-6.0)	3m 20s
Unit tests / Unit tests / Linux (nightly-main)	1m 30s
Cxx interop / Cxx interop / Linux (5.9)	1m 21s
Cxx interop / Cxx interop / Linux (5.10)	1m 22s
Cxx interop / Cxx interop / Linux (6.0)	1m 31s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 51s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 32s
	26m 30s

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