YARN-7219. Make AllocateRequestProto compatible with branch-2/branch-2.8. (rchiang)

(cherry picked from commit 67e12169b0ae8f3a9edb6511d3ea7ffd57b82e75)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto

@@ -87,7 +87,7 @@ message AllocateRequestProto {
   optional ResourceBlacklistRequestProto blacklist_request = 3;
   optional int32 response_id = 4;
   optional float progress = 5;
-  repeated UpdateContainerRequestProto update_requests = 6;
+  repeated UpdateContainerRequestProto update_requests = 7;
 }
 
 message NMTokenProto {