Fix semantic Deneb <> tree-states conflicts

beacon_node/store/src/lib.rs

@@ -289,6 +289,7 @@ impl DBColumn {
     /// This function returns the number of bytes used by keys in a given column.
     pub fn key_size(self) -> usize {
         match self {
+            Self::OverflowLRUCache => 40,
             Self::BeaconMeta
             | Self::BeaconBlock
             | Self::BeaconState