style: apply field name changes

Signed-off-by: Mark S <the@wondersmith.dev>

policy-controller/k8s/index/src/inbound/index/metrics.rs

@@ -120,7 +120,7 @@ impl Collector for Instrumented {
         )?;
         for (ns, index) in &this.namespaces.by_ns {
             let labels = [("namespace", ns.as_str())];
-            let http_routes = ConstGauge::new(index.policy.http_routes.len() as u32);
+            let http_routes = ConstGauge::new(index.policy.routes.len() as u32);
             let http_routes_encoder = http_routes_encoder.encode_family(&labels)?;
             http_routes.encode(http_routes_encoder)?;
         }