Implement tracing spans for data columm RPC requests and responses (#7831)

#7830

lighthouse/Cargo.toml

@@ -53,6 +53,7 @@ environment = { workspace = true }
 eth2_network_config = { workspace = true }
 ethereum_hashing = { workspace = true }
 futures = { workspace = true }
+lighthouse_tracing = { workspace = true }
 lighthouse_version = { workspace = true }
 logging = { workspace = true }
 metrics = { workspace = true }