merge: phase 2A attest (SlotAttester)

Author: varex83

Cargo.lock

@@ -22,9 +22,12 @@ pluto-core.workspace = true
 pluto-crypto.workspace = true
 pluto-eth2api.workspace = true
 pluto-eth2util.workspace = true
+pluto-ssz.workspace = true
 rand.workspace = true
+reqwest.workspace = true
 serde.workspace = true
 serde_json.workspace = true
+serde_with.workspace = true
 thiserror.workspace = true
 tokio.workspace = true
 tokio-util.workspace = true
@@ -34,7 +37,6 @@ wiremock.workspace = true
 
 [dev-dependencies]
 assert-json-diff.workspace = true
-reqwest.workspace = true
 
 [lints]
 workspace = true