Add debug channel callbacks #82

Job	Run time
Soundness / Swift license headers check	7s
Cxx Interop / Construct Cxx interop matrix	5s
Unit Tests / Construct unit test matrix	5s
Integration Tests / Linux (5.9)	23s
Integration Tests / Linux (5.10)	25s
Integration Tests / Linux (6.0)	5m 43s
Integration Tests / Linux (nightly-6.0)	2m 59s
Integration Tests / Linux (nightly-main)	2m 54s
Integration Tests / Windows (6.0)	1s
Integration Tests / Windows (nightly-6.0)	3s
Integration Tests / Windows (nightly-main)	2s
Soundness / Documentation check	2m 34s
Soundness / Broken symlinks check	2s
Soundness / API breakage check	3m 21s
Soundness / Format check	33s
Soundness / License headers check	3s
Soundness / Python lint check	4s
Soundness / Shell check	34s
Soundness / Unacceptable language check	2s
Soundness / YAML lint check	4s
Unit Tests / Unit tests / Linux (6.0)	3m 6s
Unit Tests / Unit tests / Linux (nightly-6.0)	3m 21s
Unit Tests / Unit tests / Linux (nightly-main)	3m 0s
Cxx Interop / Cxx interop / Linux (6.0)	2m 16s
Cxx Interop / Cxx interop / Linux (nightly-6.0)	2m 30s
Cxx Interop / Cxx interop / Linux (nightly-main)	2m 34s
	36m 51s

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