Revert "bump tonic to 0.12 and prost to 0.13 for arrow-flight (apache#6041)"

This reverts commit 741bbf6.

Author: alamb

arrow-flight/Cargo.toml

@@ -44,11 +44,11 @@ bytes = { version = "1", default-features = false }
 futures = { version = "0.3", default-features = false, features = ["alloc"] }
 once_cell = { version = "1", optional = true }
 paste = { version = "1.0" }
-prost = { version = "0.13.1", default-features = false, features = ["prost-derive"] }
+prost = { version = "0.12.3", default-features = false, features = ["prost-derive"] }
 # For Timestamp type
-prost-types = { version = "0.13.1", default-features = false }
+prost-types = { version = "0.12.3", default-features = false }
 tokio = { version = "1.0", default-features = false, features = ["macros", "rt", "rt-multi-thread"] }
-tonic = { version = "0.12.1", default-features = false, features = ["transport", "codegen", "prost"] }
+tonic = { version = "0.11.0", default-features = false, features = ["transport", "codegen", "prost"] }
 
 # CLI-related dependencies
 anyhow = { version = "1.0", optional = true }
@@ -70,9 +70,8 @@ cli = ["anyhow", "arrow-cast/prettyprint", "clap", "tracing-log", "tracing-subsc
 [dev-dependencies]
 arrow-cast = { workspace = true, features = ["prettyprint"] }
 assert_cmd = "2.0.8"
-http = "1.1.0"
-http-body = "1.0.0"
-hyper-util = "0.1"
+http = "0.2.9"
+http-body = "0.4.5"
 pin-project-lite = "0.2"
 tempfile = "3.3"
 tokio-stream = { version = "0.1", features = ["net"] }

arrow-flight/examples/flight_sql_server.rs

@@ -791,8 +791,7 @@ impl ProstMessageExt for FetchResults {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use futures::{TryFutureExt, TryStreamExt};
-    use hyper_util::rt::TokioIo;
+    use futures::TryStreamExt;
     use std::fs;
     use std::future::Future;
     use std::net::SocketAddr;
@@ -852,8 +851,7 @@ mod tests {
             .serve_with_incoming(stream);
 
         let request_future = async {
-            let connector =
-                service_fn(move |_| UnixStream::connect(path.clone()).map_ok(TokioIo::new));
+            let connector = service_fn(move |_| UnixStream::connect(path.clone()));
             let channel = Endpoint::try_from("http://example.com")
                 .unwrap()
                 .connect_with_connector(connector)

arrow-flight/gen/Cargo.toml

@@ -33,5 +33,5 @@ publish = false
 # Pin specific version of the tonic-build dependencies to avoid auto-generated
 # (and checked in) arrow.flight.protocol.rs from changing
 proc-macro2 = { version = "=1.0.86", default-features = false }
-prost-build = { version = "=0.13.1", default-features = false }
-tonic-build = { version = "=0.12.2", default-features = false, features = ["transport", "prost"] }
+prost-build = { version = "=0.12.6", default-features = false }
+tonic-build = { version = "=0.11.0", default-features = false, features = ["transport", "prost"] }