Include Collections as dependency in HummingbirdCore

Package.swift

@@ -55,6 +55,7 @@ let package = Package(
             name: "HummingbirdCore",
             dependencies: [
                 .product(name: "AsyncAlgorithms", package: "swift-async-algorithms"),
+                .product(name: "Collections", package: "swift-collections"),
                 .product(name: "HTTPTypes", package: "swift-http-types"),
                 .product(name: "Logging", package: "swift-log"),
                 .product(name: "NIOCore", package: "swift-nio"),