* docs(samples): init add deny samples and tests

* docs(samples): added requirements.txt

* docs(samples): minor update and refactoring

* added nox files

* added comments and minor refactoring

* 🦉 Updates from OwlBot post-processor

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* added region tags

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* added region tags

* modified comments acc to review

* modified comments acc to review

* updated env var

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* modified acc to review comments

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* modified acc to review comments

* added init.py

* updated acc to review comments

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* chore(deps): update all dependencies

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* revert

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* chore(deps): update all dependencies

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* revert

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Source-Link: googleapis/synthtool@50db768
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:e09366bdf0fd9c8976592988390b24d53583dd9f002d476934da43725adbb978

* feat: Create the public IAM Deny v2 API

PiperOrigin-RevId: 470600752

Source-Link: googleapis/googleapis@dac66f6

Source-Link: https://github.com/googleapis/googleapis-gen/commit/729529edc103e45087ffae8353eaf009ad7fe8c2
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* regenerate files using cl/470713093

* workaround docstring formatting issue

* add pytest to samples CI

* lint

* fix import statement in samples/snippets

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* docs(samples): migrate samples from iam_v2beta to iam_v2

* update required checks to include samples

* use GOOGLE_CLOUD_PROJECT

* fix imports in samples/snippets

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* add pytest

* chore(python): prepare for release of the iam/v2 python client

PiperOrigin-RevId: 471240188

Source-Link: googleapis/googleapis@ea847a1

Source-Link: https://github.com/googleapis/googleapis-gen/commit/6f1e4cd013ab2914773826e68b2a2d0763030a39
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* feat: Bump gapic-generator-python version to 1.3.0

PiperOrigin-RevId: 472561635

Source-Link: googleapis/googleapis@332ecf5

Source-Link: https://github.com/googleapis/googleapis-gen/commit/4313d682880fd9d7247291164d4e9d3d5bd9f177
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* chore: use gapic-generator-python 1.3.1

PiperOrigin-RevId: 472772457

Source-Link: googleapis/googleapis@855b74d

Source-Link: https://github.com/googleapis/googleapis-gen/commit/b64b1e7da3e138f15ca361552ef0545e54891b4f
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* fix: integrate  gapic-generator-python-1.4.1 and enable more py_test targets

PiperOrigin-RevId: 473833416

Source-Link: googleapis/googleapis@565a550

Source-Link: https://github.com/googleapis/googleapis-gen/commit/1ee1a06c6de3ca8b843572c1fde0548f84236989
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* updated test to delete stale policies and avoid quota error

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* feat!: remove ListApplicablePolicies

PiperOrigin-RevId: 475955031

Source-Link: googleapis/googleapis@65376f4

Source-Link: https://github.com/googleapis/googleapis-gen/commit/c8504e97891ed9e664cf68270d7e61bec160fe57
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* samples: wait for the operation to complete

* samples: minor refactoring

* use project `python-docs-samples-tests`

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