CI/CD tweaks.

crates/store/Cargo.toml

@@ -34,6 +34,9 @@ num_cpus = { version = "1.15.0", optional = true }
 blake3 = "1.3.3"
 tracing = "0.1"
 
+[dev-dependencies]
+tokio = { version = "1.23", features = ["full"] }
+
 [features]
 rocks = ["rocksdb", "rayon", "is_sync", "backend"]
 sqlite = ["rusqlite", "rayon", "r2d2", "num_cpus", "is_sync", "backend"]