text: Title: [BUG]ValueError: Model Dlinear is not supported yet.
  Body: **Bug Report Checklist**
  <!-- Please ensure at least one of the following to help the developers troubleshoot the problem:  -->
  - [ ] I provided code that demonstrates a minimal reproducible example. <!-- Ideal, especially via source install --> 
  - [ ] I confirmed bug exists on the latest mainline of AutoGluon via source install. <!-- Preferred --> 
  - [ ] I confirmed bug exists on the latest stable version of AutoGluon. <!-- Unnecessary if prior items are checked --> 
  
  **Describe the bug**
  ValueError: Model Dlinear is not supported yet.
  
  **Expected behavior**
  <!-- A clear and concise description of what you expected to happen. -->
  
  **To Reproduce**
  <!-- A minimal script to reproduce the issue. Links to Colab notebooks or similar tools are encouraged.  
  ```
  predictor = TimeSeriesPredictor(
      quantile_levels=None,
      prediction_length=prediction_length,
      eval_metric="RMSE",
      freq="15T",
      path=f"{station}-{prediction_length}_ahead-15min/" + pd.Timestamp.now().strftime("%Y_%m_%d_%H_%M_%S"),
      known_covariates_names=known_covariates_name,
      target="power",
  )
  predictor.fit(
      train_data,
      # presets="best_quality",
      hyperparameters={
        "DlinearModel": {}
     },
      num_val_windows=3,
      refit_every_n_windows=1,
      refit_full=True,
  )
  ```
  
  **Screenshots / Logs**
  <!-- If applicable, add screenshots or logs to help explain your problem. -->
  
  **Installed Versions**
  <!-- Please run the following code snippet: -->
  gluonts                   0.14.4
  autogluon                 1.0.0
  autogluon.common          1.0.0
  autogluon.core            1.0.0
  autogluon.features        1.0.0
  autogluon.multimodal      1.0.0
  autogluon.tabular         1.0.0
  autogluon.timeseries      1.0.0
  Python 3.10.14 
  
  
  </details>
  