Add static SDK CI workflow #25

Job	Run time
Cxx interop / Construct Cxx interop matrix	4s
Unit tests / Unit tests (5.9)	1m 18s
Unit tests / Unit tests (5.10)	1m 22s
Unit tests / Unit tests (6.0)	1m 35s
Unit tests / Unit tests (nightly-6.1)	1m 41s
Unit tests / Unit tests (nightly-main)	1m 48s
Soundness / Broken symlinks check	4s
Soundness / Documentation check	1m 32s
Soundness / API breakage check	1m 43s
Soundness / License headers check	3s
Soundness / Format check	36s
Soundness / Python lint check	4s
Soundness / Shell check	31s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	5s
Static SDK / Static SDK / Linux (latest-release Jammy)	1m 53s
Static SDK / Static SDK / Linux (main Jammy)	2m 23s
Cxx interop / Cxx interop / Linux (5.9)	1m 14s
Cxx interop / Cxx interop / Linux (5.10)	1m 7s
Cxx interop / Cxx interop / Linux (6.0)	1m 23s
Cxx interop / Cxx interop / Linux (nightly-next)	1m 29s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 36s
	23m 34s

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