Bump UHF crates to universal-hash v0.5.0-pre.2 prereleases#445

tarcieri merged 1 commit intomasterRustCrypto/AEADs:masterfrom

universal-hash/v0.5.0-pre.2RustCrypto/AEADs:universal-hash/v0.5.0-pre.2Copy head branch name to clipboard