Fix one broken test, set CI to use Xcode 15, set Package definition to Swift 5.10
Additionally PluginExtensionDynamicContentSerializer.serialize() generates Swift 6 compiler conforming code by adding NeedleFoundation to the conformance on ExtensionRegistration to silence warnings introduced by SE-0364
Fix one broken test, set CI to use Xcode 15, set Package definition to Swift 5.10
Additionally
PluginExtensionDynamicContentSerializer.serialize()
generates Swift 6 compiler conforming code by addingNeedleFoundation
to the conformance onExtensionRegistration
to silence warnings introduced by SE-0364Late addition: split CI into jobs because steps cannot be parallel (https://github.com/orgs/community/discussions/26291)