Add POSTGRES_16 and POSTGRES_17

[rinarakaki]

No description provided.

[github-actions]

** WARNING **: This repository is generated by https://github.com/GoogleCloudPlatform/magic-modules. Any changes made directly to this repository will likely be overwritten. If you have further questions, please feel free to ping your reviewer or, internal employees, reach out to one of the engineers. Thank you!

[roaks3]

@rinarakaki you'll need to make this change in https://github.com/GoogleCloudPlatform/magic-modules

[github-actions]

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