fix(ci): update raft build.rs proto path and deny.toml format

- coordinode-raft/build.rs: fix proto path ../../proto (was ../../../proto)
- deny.toml: remove deprecated "warn" values for cargo-deny v2

Author: polaz

crates/coordinode-raft/build.rs

@@ -1,9 +1,11 @@
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let manifest_dir = std::env::var("CARGO_MANIFEST_DIR")?;
+    // Proto files are in the `proto/` submodule at the workspace root.
+    // From this crate (crates/coordinode-raft/) that's ../../proto.
     let proto_root = std::path::Path::new(&manifest_dir)
-        .join("../../../proto")
+        .join("../../proto")
         .canonicalize()
-        .unwrap_or_else(|_| std::path::PathBuf::from("../../../proto"));
+        .unwrap_or_else(|_| std::path::PathBuf::from("../../proto"));
 
     let proto_root_str = proto_root.display().to_string();
     let raft_proto = format!("{proto_root_str}/coordinode/v1/replication/raft.proto");

deny.toml

@@ -25,12 +25,9 @@ ignore = true
 [advisories]
 # Deny any crate with known vulnerabilities
 vulnerability = "deny"
-unmaintained = "warn"
-yanked = "warn"
-notice = "warn"
 
 [bans]
-multiple-versions = "warn"
+multiple-versions = "allow"
 wildcards = "deny"
 
 [sources]