Swift Generated Code: Add `@unchecked Sendable` conformance to classes that conform to `FeatureManifestInterface`#6963

mhammond merged 2 commits intomozilla:mainmozilla/application-services:mainfrom

ih-codes:ih/FXIOS-13577-suppress-strict-concurrency-warnings-FeatyreManifestInterfaceih-codes/application-services:ih/FXIOS-13577-suppress-strict-concurrency-warnings-FeatyreManifestInterfaceCopy head branch name to clipboard