Switch integration tests to newer Swift test matrix #125

Job	Run time
Construct integration matrix	2s
Unit tests / Construct unit test matrix	6s
macOS tests / Construct Darwin matrix	3s
Soundness / API breakage check	54s
Soundness / Documentation check	1m 12s
Soundness / Broken symlinks check	3s
Soundness / License headers check	6s
Soundness / Unacceptable language check	2s
Soundness / Format check	1m 28s
Soundness / Python lint check	6s
Soundness / Shell check	35s
Soundness / YAML lint check	3s
Static SDK / Static SDK / Linux (latest-release Jammy)	1m 44s
Static SDK / Static SDK / Linux (main Jammy)	1m 43s
Integration test / Linux (5.9)	1m 36s
Integration test / Linux (5.10)	1m 47s
Integration test / Linux (6.0)	1m 48s
Integration test / Linux (nightly-next)	2m 35s
macOS tests / Xcode 16.1	1m 30s
macOS tests / Xcode 16.2	4m 46s
macOS tests / Xcode 16.3	1m 36s
Unit tests / Unit tests / Linux (5.9)	42s
Unit tests / Unit tests / Linux (5.10)	39s
Unit tests / Unit tests / Linux (6.0)	51s
Unit tests / Unit tests / Linux (nightly-next)	1m 0s
Unit tests / Unit tests / Linux (nightly-main)	1m 2s
Unit tests / Unit tests / Windows (6.0)	10m 59s
Unit tests / Unit tests / Windows (nightly-next)	10m 57s
Unit tests / Unit tests / Windows (nightly-main)	10m 57s
	1h 0m 52s

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