chore: use gapic-generator-python 0.65.2 (#31)

* chore: use gapic-generator-python 0.65.2

PiperOrigin-RevId: 444333013

Source-Link: googleapis/googleapis@f91b6cf

Source-Link: googleapis/googleapis-gen@16eb360
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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