Updates bbr chart for v0.3.0-rc.1 release

Signed-off-by: Kellen Swain <[email protected]>

Author: kfswain

config/charts/body-based-routing/values.yaml

@@ -3,8 +3,8 @@ bbr:
   replicas: 1
   image:
     name: bbr
-    hub: us-central1-docker.pkg.dev/k8s-staging-images/gateway-api-inference-extension
-    tag: main
+    hub: registry.k8s.io/gateway-api-inference-extension
+    tag: v0.3.0-rc.1
     pullPolicy: Always
   port: 9004
   healthCheckPort: 9005