fix(async): convert PoA proposer methods to async and update coordinator dependencies

- Convert _propose_block, _ensure_genesis_block to async methods in PoAProposer
- Add await to gossip_broker.publish calls in block broadcasting
- Add await to _ensure_genesis_block and _propose_block method calls
- Update coordinator-api Python version constraint to >=3.13,<3.15
- Add torch ^2.10.0 dependency to coordinator-api
- Add make_asgi_app import to prometheus_client in main.py
- Export new routers: global

apps/coordinator-api/src/app/services/fhe_service.py

@@ -1,3 +1,4 @@
+import logging
 from abc import ABC, abstractmethod
 from typing import Dict, List, Optional, Tuple
 import numpy as np