chore: add missing tokio::process for notify

Author: doitian

notify/Cargo.toml

@@ -14,6 +14,6 @@ ckb-app-config  = { path = "../util/app-config", version = "= 0.120.0-pre" }
 ckb-types = { path = "../util/types", version = "= 0.120.0-pre" }
 ckb-stop-handler = { path = "../util/stop-handler", version = "= 0.120.0-pre" }
 ckb-async-runtime = { path = "../util/runtime", version = "= 0.120.0-pre" }
-tokio = { version = "1", features = ["sync"] }
+tokio = { version = "1", features = ["sync", "process"] }
 
 [dev-dependencies]