feat!: implement a cache of prepared statements on the storage side

benches/engine.rs

src/api.rs

src/api/calculate_bucket_id_by_dict.rs

src/api/exec_query.rs

src/api/explain.rs

src/api/helper.rs

src/api/invalidate_cached_schema.rs

src/api/load_lua_extra_function.rs

src/executor.rs

src/executor/engine.rs

src/executor/engine/cartridge.rs

src/executor/engine/cartridge/backend/sql/ir.rs

src/executor/engine/cartridge/backend/sql/ir/tests.rs

src/executor/engine/cartridge/config.rs

src/executor/engine/cartridge/router.rs

src/executor/engine/cartridge/storage.rs

src/executor/engine/mock.rs

src/executor/lru.rs

src/executor/lru/tests.rs

src/frontend/sql/ir/tests.rs