Enable release mode builds #151

Job	Run time
Unit tests / Construct unit test matrix	4s
Release builds / Construct release build matrix	4s
Cxx interop / Construct Cxx interop matrix	3s
Soundness / Documentation check	3m 12s
Soundness / License headers check	6s
Soundness / Unacceptable language check	5s
Soundness / Format check	39s
Soundness / Shell check	45s
Soundness / YAML lint check	5s
Soundness / Python lint check	7s
Static SDK / Static SDK / Linux (latest-release Jammy)	3m 32s
Soundness / API breakage check	4m 32s
Soundness / Broken symlinks check	5s
Static SDK / Static SDK / Linux (main Jammy)	4m 49s
Unit tests / Unit tests / Linux (nightly-next)	6m 10s
Unit tests / Unit tests / Linux (5.10)	5m 7s
Unit tests / Unit tests / Linux (6.1)	5m 31s
Unit tests / Unit tests / Linux (6.0)	5m 42s
Unit tests / Unit tests / Linux (nightly-main)	6m 9s
Release builds / Release builds / Linux (nightly-main)	5m 10s
Release builds / Release builds / Linux (6.1)	4m 0s
Release builds / Release builds / Linux (6.0)	3m 49s
Release builds / Release builds / Linux (5.10)	3m 51s
Release builds / Release builds / Linux (nightly-next)	4m 54s
Cxx interop / Cxx interop / Linux (nightly-next)	4m 1s
Cxx interop / Cxx interop / Linux (5.10)	2m 39s
Cxx interop / Cxx interop / Linux (6.1)	3m 7s
Cxx interop / Cxx interop / Linux (6.0)	2m 59s
Cxx interop / Cxx interop / Linux (nightly-main)	3m 55s
	1h 25m 12s

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