Update deprecated type hinting in models (#18132)

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

vllm/model_executor/models/minicpm3.py

@@ -23,7 +23,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """Inference-only MiniCPM3 model compatible with HuggingFace weights."""
-from typing import Any, Dict, Optional
+from typing import Any, Optional
 
 import torch
 from torch import nn
@@ -58,7 +58,7 @@ class MiniCPM3Attention(nn.Module):
         q_lora_rank: int,
         kv_lora_rank: int,
         rope_theta: float = 10000,
-        rope_scaling: Optional[Dict[str, Any]] = None,
+        rope_scaling: Optional[dict[str, Any]] = None,
         max_position_embeddings: int = 8192,
         cache_config: Optional[CacheConfig] = None,
         quant_config: Optional[QuantizationConfig] = None,