Add remote server cross compilation (#19136)

This will allow us to compile debug builds of the remote-server for a
different architecture than the one we are developing on.

This also adds a CI step for building our remote server with minimal
dependencies.

Release Notes:

- N/A

crates/gpui/src/platform/linux/x11/client.rs

@@ -1421,10 +1421,12 @@ impl LinuxClient for X11Client {
     }
 
     fn open_uri(&self, uri: &str) {
+        #[cfg(any(feature = "wayland", feature = "x11"))]
         open_uri_internal(self.background_executor(), uri, None);
     }
 
     fn reveal_path(&self, path: PathBuf) {
+        #[cfg(any(feature = "x11", feature = "wayland"))]
         reveal_path_internal(self.background_executor(), path, None);
     }