main does not compile with Swift 6.3 on macOS

Compile error: ``` /swift-collections/Sources/ContainersPreview/Extensions/TemporaryAllocation.swift:25:7: error: thrown expression type 'any Error' cannot be converted to error type 'E' 23 | ) throws(E) -> R { 24 | #if compiler(>=6.3) 25 | try withUnsafeTemporaryAllocation(of: type, capacity: capacity, body) | `- error: thrown expression type 'any Error' cannot be converted to error type 'E' 26 | #else 27 | let r: Result<R, E> = withUnsafeTemporaryAllocation( ``` Swift version: ``` swift-driver version: 1.148.6 Apple Swift version 6.3 (swiftlang-6.3.0.122.3 clang-2100.0.122.2) Target: arm64-apple-macosx26.0 ```