Update to support AWS Lambda Runtime for Swift v2 #19

Job	Run time
Semantic Version label check	6s
Unit tests / Construct unit test matrix	3s
Soundness / Documentation check	39s
Soundness / Broken symlinks check	6s
Soundness / License headers check	3s
Soundness / API breakage check	2m 42s
Soundness / Format check	35s
Soundness / Unacceptable language check	7s
Swift 6 Language Mode / Swift 6 language mode	1m 33s
Soundness / Shell check	0s
Soundness / Python lint check	0s
Soundness / YAML lint check	0s
Unit tests / Unit tests / Linux (6.1)	1m 38s
Unit tests / Unit tests / Linux (nightly-next)	1m 58s
Unit tests / Unit tests / Linux (6.0)	1m 41s
Unit tests / Unit tests / Linux (nightly-main)	2m 3s
	13m 14s

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