[6.0] Add swift-foundation/swift-foundation-icu branch to release/6.0 checkout config#75338

parkera merged 1 commit intoswiftlang:release/6.0swiftlang/swift:release/6.0from

jmschonfeld:swift-6-swift-foundation-60jmschonfeld/swift:swift-6-swift-foundation-60Copy head branch name to clipboard