Update rope_scaling to rope_parameters in preparation for Transformers v5 (#28542)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

vllm/model_executor/models/falcon.py

@@ -164,13 +164,12 @@ class FalconAttention(nn.Module):
         )
 
         if self.use_rotary:
-            rope_theta = getattr(config, "rope_theta", 10000)
             max_position_embeddings = getattr(config, "max_position_embeddings", 8192)
             self.rotary_emb = get_rope(
                 self.head_dim,
                 rotary_dim=self.head_dim,
                 max_position=max_position_embeddings,
-                base=rope_theta,
+                rope_parameters=config.rope_parameters,
             )
             self.attn = Attention(
                 self.num_heads,