Test

Fix generators, regenerate SDKs, add drift checks and CI gates #20

Job	Run time
Lint Actions	37s
Go Lint	39s
Provenance Check	3s
Rubric Check	4s
Smithy Verify / Verify Smithy spec	45s
TypeScript	0s
Swift	0s
Ruby (${{ matrix.ruby }})	0s
Kotlin	0s
Go	0s
Conformance (Ruby)	0s
Conformance (Go)	0s
Conformance (Kotlin)	0s
Conformance (TypeScript)	0s
	2m 8s

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