Fix fCU log too

Author: jangko

execution_chain/beacon/api_handler/api_forkchoice.nim

@@ -220,7 +220,7 @@ proc forkchoiceUpdated*(ben: BeaconEngineRef,
   info "Fork choice updated",
     requested = header.number,
     head = chain.latestNumber,
-    hashHash = headHash.short,
+    headHash = headHash.short,
     base = chain.baseNumber,
     baseHash = chain.baseHash.short,
     finalizedHash = finalizedBlockHash.short,