glclientpy: Upgrade some dependencies

We noticed that the constraint was much lower than the implied 1.67
minimum version, because the generated files have a minimum version
they support.

libs/gl-client-py/pyproject.toml

@@ -28,13 +28,13 @@ black = "^23.1.0"
 mypy-protobuf = "^3.5"
 maturin = {version = ">=1.0,<1.3.2", extras = ["patchelf"]}
 mypy = "^1.7.0"
-grpcio-tools = "^1.59.2"
+grpcio-tools = "^1.67"
 
 [tool.poetry.dependencies]
 python = ">=3.8,<4"
-grpcio = ">=1.56"
+grpcio = ">=1.67"
 pyln-grpc-proto = ">=0.1.2,<1.2"
-protobuf = ">=3"
+protobuf = ">=4"
 maturin = ">=1.0"
 
 [build-system]