Move to using interval

This way our Introspection watching works as well
as watching schema files.

crates/rover-std/Cargo.toml

@@ -12,7 +12,7 @@ camino = { workspace = true }
 console = { workspace = true }
 notify = { workspace = true }
 notify-debouncer-full = { workspace = true }
-tokio = { workspace = true, features = ["rt-multi-thread", "rt"]}
+tokio = { workspace = true }
 thiserror = { workspace = true }
 tracing = { workspace = true }
 url = { workspace = true }

src/command/dev/watcher.rs

@@ -5,6 +5,7 @@ use anyhow::{anyhow, Context};
 use apollo_federation_types::build::SubgraphDefinition;
 use camino::{Utf8Path, Utf8PathBuf};
 use reqwest::Client;
+use tokio::time::MissedTickBehavior::Delay;
 use url::Url;
 
 use rover_client::blocking::StudioClient;
@@ -283,11 +284,13 @@ impl SubgraphSchemaWatcher {
                         _ => "seconds",
                     }
                 );
+                let mut interval = tokio::time::interval(Duration::from_secs(polling_interval));
+                interval.set_missed_tick_behavior(Delay);
                 loop {
                     last_message = self
                         .update_subgraph(last_message.as_ref(), retry_period)
                         .await?;
-                    tokio::time::sleep(std::time::Duration::from_secs(polling_interval)).await;
+                    interval.tick().await;
                 }
             }
             SubgraphSchemaWatcherKind::File(path) => {