CURA-12259 Bump grpc_definitions version for 5.9 (#2165)

Author: HellAholic

conandata.yml

@@ -5,6 +5,6 @@ requirements:
 requirements_arcus:
   - "arcus/5.4.1"
 requirements_plugins:
-  - "curaengine_grpc_definitions/0.2.1"
+  - "curaengine_grpc_definitions/0.3.0"
 requirements_cura_resources:
   - "cura_resources/5.9.0-beta.1"