RSDK-7181 deprecate robot_part_id in favor of machine_part_id (#487)

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: maximpertsov

component/arm/v1/arm.pb.gw.go

@@ -330,7 +330,8 @@ message LogResponse {}
 message GetCloudMetadataRequest {}
 
 message GetCloudMetadataResponse {
-  string robot_part_id = 1;
+  // Deprecated: use machine_part_id field.
+  string robot_part_id = 1 [deprecated = true];
   string primary_org_id = 2;
   string location_id = 3;
   string machine_id = 4;