Update specdec_bench codeowner group

Signed-off-by: Keval Morabia <28916987+kevalmorabia97@users.noreply.github.com>

Author: kevalmorabia97

.github/CODEOWNERS

@@ -56,7 +56,7 @@ modelopt_recipes @NVIDIA/modelopt-recipes-codeowners
 /examples/onnx_ptq @NVIDIA/modelopt-onnx-codeowners
 /examples/pruning @NVIDIA/modelopt-torch-nas-prune-codeowners
 /examples/puzzletron @NVIDIA/modelopt-torch-puzzletron-codeowners
-/examples/specdec_bench @NVIDIA/modelopt-torch-speculative-codeowners
+/examples/specdec_bench @NVIDIA/modelopt-examples-specdec_bench-codeowners
 /examples/speculative_decoding @NVIDIA/modelopt-torch-speculative-codeowners
 /examples/torch_onnx @NVIDIA/modelopt-onnx-codeowners
 /examples/vllm_serve @NVIDIA/modelopt-examples-llm_ptq-codeowners