node: On Windows, use job for upload-pack child

Reports of zombie (grand)child processes were received. By associating
the `git upload-pack` process with a job, zombies are prevented.

CHANGELOG.md

@@ -25,6 +25,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   but marks an escape sequence on Unix-like systems), which lead to issues when
   attempting to execute child processes.
   This is fixed by using `winsplit` on Windows instead.
+- On Windows, zombie `git-upload-pack` processes are now prevented by using the
+  "Job" API of the operating system to group child processes and their children.
 
 ## Deprecations
 

Cargo.lock

@@ -3060,6 +3060,7 @@ dependencies = [
  "radicle-protocol",
  "radicle-signals",
  "radicle-systemd",
+ "radicle-windows",
  "scrypt",
  "serde",
  "serde_json",

crates/radicle-node/Cargo.toml

@@ -48,6 +48,7 @@ radicle-systemd = { workspace = true, optional = true }
 
 [target.'cfg(windows)'.dependencies]
 winpipe = { workspace = true }
+radicle-windows = { workspace = true }
 
 [dev-dependencies]
 mio = { version = "1", features = ["os-ext"] }

crates/radicle-node/src/worker/upload_pack.rs

@@ -84,6 +84,9 @@ where
         cmd.spawn()?
     };
 
+    #[cfg(windows)]
+    let job = radicle_windows::jobs::Job::for_child(&child)?;
+
     let mut stdin = child.stdin.take().unwrap();
     let mut stdout = io::BufReader::new(child.stdout.take().unwrap());
     let reporter = std::sync::Mutex::new(Reporter::new(header.repo, remote, emitter.clone(), send));
@@ -150,8 +153,12 @@ where
         if let Err(e) = reader.join() {
             log::warn!(target: "worker", "Upload pack thread panicked: {e:?}");
         }
-        child.kill()?;
-        Ok::<_, io::Error>(())
+
+        #[cfg(unix)]
+        return child.kill();
+
+        #[cfg(windows)]
+        return job.terminate(3);
     })?;
 
     let status = child.wait()?;