Ed25519: Update expected hash
Ed25519: Update expected hash

Only infrastructure changes, vendored copy does not change.

Fixes #411

Signed-off-by: Lukas Puehringer <42074506cdafde8c7d787023901a1714526f0a58@nyu.edu>

secure-systems-lab/securesystemslib,secure-systems-lab/securesystemslib