build(deps): bump coordinode to v0.3.11, update proto submodule

- coordinode-rs submodule: v0.3.10 (bd538f9) → v0.3.11 (0ff4b47)
  Bug fixes: MERGE on existing node with unique constraint, WAL crash
  durability, cluster join protocol
- proto submodule: 97c11c6 → 0428726
  New RPCs: JoinNode, JoinProgress (cluster join); read routing and
  consistency fields in ExecuteCypher; DecommissionNode in cluster admin
- docker-compose.yml: coordinode:0.3.10 → coordinode:0.3.11

Author: polaz

coordinode-rs

@@ -7,7 +7,7 @@ version: "3.9"
 
 services:
   coordinode:
-    image: ghcr.io/structured-world/coordinode:0.3.10
+    image: ghcr.io/structured-world/coordinode:0.3.11
     container_name: coordinode
     ports:
       - "7080:7080"   # gRPC