Add DEPLOY_SOURCE to all MG notebooks.

[dstnluong-google]

Add DEPLOY_SOURCE to all MG notebooks.

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REQUIRED: Fill out the below checklists or remove if irrelevant

1. If you are opening a PR for Official Notebooks under the notebooks/official folder, follow this mandatory checklist:

• Use the notebook template as a starting point.
• Follow the style and grammar rules outlined in the above notebook template.
• Verify the notebook runs successfully in Colab since the automated tests cannot guarantee this even when it passes.
• Passes all the required automated checks. You can locally test for formatting and linting with these instructions.
• You have consulted with a tech writer to see if tech writer review is necessary. If so, the notebook has been reviewed by a tech writer, and they have approved it.
• This notebook has been added to the CODEOWNERS file under the Official Notebooks section, pointing to the author or the author's team.
• The Jupyter notebook cleans up any artifacts it has created (datasets, ML models, endpoints, etc) so as not to eat up unnecessary resources.

2. If you are opening a PR for Community Notebooks under the notebooks/community folder:

• This notebook has been added to the CODEOWNERS file under the Community Notebooks section, pointing to the author or the author's team.
• Passes all the required formatting and linting checks. You can locally test with these instructions.

3. If you are opening a PR for Community Content under the community-content folder:

• Make sure your main Content Directory Name is descriptive, informative, and includes some of the key products and attributes of your content, so that it is differentiable from other content
• The main content directory has been added to the CODEOWNERS file under the Community Content section, pointing to the author or the author's team.
• Passes all the required formatting and linting checks. You can locally test with these instructions.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[review-notebook-app]

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[felipeliliti]

repositório GoogleCloudPlatform/vertex-ai-samples contém exemplos de código e notebooks para o Vertex AI, que é uma plataforma de aprendizado de máquina de ponta a ponta no Google Cloud2. A adição de DEPLOY_SOURCE a todos os notebooks MG provavelmente está relacionada à configuração ou otimização do processo de implantação desses notebooks.