Rust 1.79 lints (#5927)

* max_value -> MAX

* remove unnecesary closures

* a couple more max_value -> MAX

* a couple more max_value -> MAX

* Revert "a couple more max_value -> MAX"

This reverts commit 807fe7cae9.

* unused spec field -> phantom data

* ignore some dead code warnings

* update kurtosis repo location

common/deposit_contract/src/lib.rs

@@ -96,7 +96,7 @@ mod tests {
         let mut deposit_data = DepositData {
             pubkey: keypair.pk.into(),
             withdrawal_credentials: Hash256::from_slice(&[42; 32]),
-            amount: u64::max_value(),
+            amount: u64::MAX,
             signature: Signature::empty().into(),
         };
         deposit_data.signature = deposit_data.create_signature(&keypair.sk, spec);