Added support to edit stacked model deployment

[lu-ohai]

Added support to edit stacked model deployment

• Added update method in AquaDeploymentApp to support updating model group deployment.

ads aqua deployment update --model_deployment_id <model_deployment_id> \
--display_name <display_name> \
--description <description> \
--models '[
    {
      "model_id": "ocid1.log.oc1.iad.<ocid>",
      "gpu_count": 1,
      "model_name": "meta-llama/Meta-Llama-3.1-8B",
      "model_task": "text_generation",
      "fine_tune_weights": [
        {
          "model_id": "ocid1.datasciencemodel.oc1.iad.<>",
          "model_name": "meta-llama/Meta-Llama-3.1-8B-FT1"
        },
        {
          "model_id": "ocid1.datasciencemodel.oc1.iad.<>",
          "model_name": "meta-llama/Meta-Llama-3.1-8B-FT2"
        }
      ]
    }]' \
...

Integration tests

• Update display_name and description

• Update fine tuned weights