Add core dep on crossbeam-queue

Not sure how this got missed, as it's used in `core/src/startup.rs`.
Perhaps a bad merge/rebase?

Author: gefjon

Cargo.lock

@@ -48,6 +48,7 @@ bytes.workspace = true
 bytestring.workspace = true
 chrono.workspace = true
 crossbeam-channel.workspace = true
+crossbeam-queue.workspace = true
 derive_more.workspace = true
 dirs.workspace = true
 enum-as-inner.workspace = true