Fix runtime error with grpcio (#3971)

* Fix runtime error with grpcio

* Pinned smg-grpc-proto with a comment

---------

Co-authored-by: Bihan  Rana

Author: Bihan

pyproject.toml

@@ -200,9 +200,9 @@ server = [
     "asyncpg",
     "python-json-logger>=3.1.0",
     "prometheus-client",
-    "grpcio>=1.50",
+    "grpcio>=1.81.0",
     "protobuf>=6.33.5",
-    "smg-grpc-proto>=0.4.7",
+    "smg-grpc-proto==0.4.9", # Pin to avoid grpcio version mismatch when smg-grpc-proto bumps grpcio dependency https://github.com/dstackai/dstack/pull/3971
 ]
 aws = [
     "boto3>=1.38.13",