Add "debug initializer" hook for channels #113

Job	Run time
Unit tests / Construct unit test matrix	4s
Cxx interop / Construct Cxx interop matrix	2s
Soundness / Broken symlinks check	2s
Soundness / API breakage check	4m 20s
Soundness / Documentation check	2m 52s
Soundness / License headers check	3s
Soundness / Unacceptable language check	3s
Soundness / Format check	35s
Soundness / Python lint check	9s
Soundness / Shell check	35s
Soundness / YAML lint check	5s
Static SDK / Static SDK / Linux (latest-release Jammy)	3m 31s
Static SDK / Static SDK / Linux (main Jammy)	1m 45s
Cxx interop / Cxx interop / Linux (5.10)	2m 37s
Cxx interop / Cxx interop / Linux (6.0)	2m 47s
Cxx interop / Cxx interop / Linux (6.1)	2m 49s
Cxx interop / Cxx interop / Linux (nightly-next)	3m 33s
Cxx interop / Cxx interop / Linux (nightly-main)	3m 48s
Unit tests / Unit tests / Linux (5.10)	4m 46s
Unit tests / Unit tests / Linux (6.0)	5m 15s
Unit tests / Unit tests / Linux (6.1)	5m 0s
Unit tests / Unit tests / Linux (nightly-next)	5m 44s
Unit tests / Unit tests / Linux (nightly-main)	5m 52s
	56m 17s

Provide feedback