feat: cursors

Author: prestwich

crates/storage/Cargo.toml

@@ -13,11 +13,12 @@ alloy.workspace = true
 auto_impl = "1.3.0"
 bytes = "1.11.0"
 reth.workspace = true
-reth-db.workspace = true
+reth-db = { workspace = true, features = ["test-utils"] }
 reth-db-api.workspace = true
 reth-libmdbx.workspace = true
 thiserror.workspace = true
 trevm.workspace = true
 
 [dev-dependencies]
+serial_test = "3.3.1"
 tempfile.workspace = true