WASI: use getentropy to get randomized bytes#323

MaxDesiatov merged 1 commit intoswiftwasm-release/5.4swiftwasm/swift-corelibs-foundation:swiftwasm-release/5.4from

katei/5.4-fix-uuidswiftwasm/swift-corelibs-foundation:katei/5.4-fix-uuidCopy head branch name to clipboard