fix: further ease the restriction of executing SQLs in new GRPC interface (#797)

* fix: carry not recordbatch result in FlightData, to allow executing SQLs other than selection in new GRPC interface

* Update src/datanode/src/instance/flight/stream.rs

Co-authored-by: Jiachun Feng <jiachun_feng@proton.me>

src/store-api/Cargo.toml

@@ -18,6 +18,6 @@ serde.workspace = true
 snafu.workspace = true
 
 [dev-dependencies]
-async-stream = "0.3"
+async-stream.workspace = true
 serde_json = "1.0"
 tokio = { version = "1.0", features = ["full"] }