reuse same field

Signed-off-by: Jose I. Paris <jiparis@chainloop.dev>

Author: jiparis

app/controlplane/api/controlplane/v1/project.pb.go

@@ -68,10 +68,8 @@ message ProjectMember {
   google.protobuf.Timestamp updated_at = 5;
   // The ID of latest project version this member is associated with
   string latest_project_version_id = 6;
-  // Optional parent membership ID for nested project memberships
-  optional string parent_id = 7;
   // Optional parent resource ID for nested project memberships
-  optional string parent_resource_id = 8;
+  optional string parent_id = 7;
 }
 
 // ProjectServiceAddMemberRequest contains the information needed to add a user to a project

app/controlplane/api/controlplane/v1/project.proto

@@ -388,12 +388,8 @@ func bizProjectMembershipToPb(m *biz.ProjectMembership) *pb.ProjectMember {
 		Role: role,
 	}
 
-	if m.ParentID != nil {
-		pbMember.ParentId = biz.ToPtr(m.ParentID.String())
-	}
-
 	if m.ParentResourceID != nil {
-		pbMember.ParentResourceId = biz.ToPtr(m.ParentResourceID.String())
+		pbMember.ParentId = biz.ToPtr(m.ParentResourceID.String())
 	}
 
 	if m.User != nil {