utils: Fix compliation standalone

We use `tokio::test` so need the macros feature.

Signed-off-by: Colin Walters <[email protected]>

Author: cgwalters

utils/Cargo.toml

@@ -13,7 +13,7 @@ serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
 tempfile = { workspace = true }
 tracing = { workspace = true }
-tokio = { workspace = true, features = ["process"] }
+tokio = { workspace = true, features = ["process", "rt", "macros"] }
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 
 [dev-dependencies]