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/routers/__init__.py

@@ -33,5 +33,15 @@ __all__ = [
     "edge_gpu",
     "cache_management",
     "agent_identity",
+    "global_marketplace",
+    "cross_chain_integration",
+    "global_marketplace_integration",
+    "developer_platform",
+    "governance_enhanced",
     "registry",
 ]
+from .global_marketplace import router as global_marketplace
+from .cross_chain_integration import router as cross_chain_integration
+from .global_marketplace_integration import router as global_marketplace_integration
+from .developer_platform import router as developer_platform
+from .governance_enhanced import router as governance_enhanced