chore(ci): automatically publish benchmarks in a graph

benches/pipeline.rs

@@ -16,7 +16,7 @@ use hyper::{Body, Response, Server};
 const PIPELINED_REQUESTS: usize = 16;
 
 #[bench]
-fn hello_world(b: &mut test::Bencher) {
+fn hello_world_16(b: &mut test::Bencher) {
     let _ = pretty_env_logger::try_init();
     let (_until_tx, until_rx) = oneshot::channel::<()>();