ref: Deprecate `ListNewBlobs()` RPC

The `ListNewBlobs()` RPC call has been replaced upstream by the more
flexible alternative `ListBlobs()`, which can do the same but across
multiple new refs as once. Let's deprecate this RPC such that we can
remove it in v14.4.

Changelog: deprecated

1 files changed, 3 insertions, 0 deletions

diff --git a/proto/ref.proto b/proto/ref.proto
index 5ba7f289e..eb07ba0c2 100644
--- a/proto/ref.proto
+++ b/proto/ref.proto
@@ -106,7 +106,10 @@ service RefService {
     };
   }
 
+  // ListNewBlobs is equivalent to ListBlobs with `["--not", "--all", "--not",
+  // commit_id]`. This RPC call will be removed in v14.4.
   rpc ListNewBlobs(ListNewBlobsRequest) returns (stream ListNewBlobsResponse) {
+    option deprecated = true;
     option (op_type) = {
       op: ACCESSOR
     };