ci: add missing lints to service_grpc_schema

This crate was missing some of the common lints we use everywhere else.

service_grpc_schema/src/lib.rs

@@ -1,5 +1,17 @@
 //! Implementation of the schema gRPC service
 
+#![deny(rustdoc::broken_intra_doc_links, rust_2018_idioms)]
+#![warn(
+    clippy::clone_on_ref_ptr,
+    clippy::dbg_macro,
+    clippy::explicit_iter_loop,
+    // See https://github.com/influxdata/influxdb_iox/pull/1671
+    clippy::future_not_send,
+    clippy::todo,
+    clippy::use_self,
+    missing_debug_implementations,
+)]
+
 use std::{ops::DerefMut, sync::Arc};
 
 use generated_types::influxdata::iox::schema::v1::*;