enable_web_access for Vertex AI jobs

[DzvinkaYarish]

Hi, is there a way to launch Vertex AI jobs with enabled access to an interactive shell (https://cloud.google.com/vertex-ai/docs/training/monitor-debug-interactive-shell#vertexai_enable_web_access-python)?

[andrewluchen]

This looks like a straightforward change. At run():

https://github.com/deepmind/xmanager/blob/main/xmanager/cloud/vertex.py#L191

We need to pass enable_web_access from

https://github.com/googleapis/python-aiplatform/blob/main/google/cloud/aiplatform/jobs.py#L1337

[andrewluchen]

See 1b95fd9