use a strong hash from MAC commitments

[themighty1]

Currently a TCCR hash is used for MAC commitments

mpz/crates/mpz-memory-core/src/correlated.rs

Line 232 in 7ace0ad

let expected = hasher.tccr(Block::from((id as u128).to_be_bytes()), *mac.as_block());

We should use a stong hash like e.g. blake3 instead.