Fix CI after #30410 (#30612)

* Fix CI after #30410

* [run-slow] blenderbot

src/transformers/models/blenderbot/modeling_blenderbot.py

@@ -1067,8 +1067,8 @@ class BlenderbotModel(BlenderbotPreTrainedModel):
         super().__init__(config)
 
         padding_idx, vocab_size = config.pad_token_id, config.vocab_size
-        self.shared = nn.Embedding(vocab_size, config.d_model, padding_idx)
-
+        embed_scale = math.sqrt(config.d_model) if config.scale_embedding else 1.0
+        self.shared = BlenderbotScaledWordEmbedding(vocab_size, config.d_model, padding_idx, embed_scale=embed_scale)
         self.encoder = BlenderbotEncoder(config, self.shared)
         self.decoder = BlenderbotDecoder(config, self.shared)