add Hash bound to instance secre

GitOrigin-RevId: d3b8f0812a93606a887b5bbd41a7eb75419d4b9b

Author: gautamg795

crates/keybroker/src/secret.rs

@@ -3,7 +3,7 @@ use std::fmt;
 use anyhow::Context;
 use rand::Rng;
 
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, Eq, Hash, PartialEq)]
 pub struct Secret {
     key: [u8; 32],
 }