* docs(samples): add auth samples and tests

* refactored verifying google token and lint fixed test file

* Modified comment acc to review

* renamed method acc to review comment

* 🦉 Updates from OwlBot post-processor

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

* 🦉 Updates from OwlBot post-processor

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

* added comment acc to review

* add samples tests as required checks

* use GOOGLE_CLOUD_PROJECT

* test new config 1

* adding refresh token for sys test

* updating all py verion configs

* update 3

* update 4

* update 5 - trimming nox

* update 6 - fixing requirements.txt

* update 7 - fixing pytest flags

* update 8 - fixing sa test cred

* update 9- reading sa path from env

* update 10- testing explicit

* update 11 - fix multi reference

* update 12 - remove project id from client params

* update 13 - use projectid from default

* update 14 - remove project param

* update 15- fix assert

* update 16 - updating other py versions

* update 17: try replacing compute with storage

* update 18: fix assert and pass project

* update 19: fixing comments

* update 20: remove unused

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply..com>
Co-authored-by: Anthonios Partheniou <[email protected]>
Co-authored-by: Sai Sunder Srinivasan <[email protected]>

* chore(deps): update dependency google-cloud-compute to v1.5.1

* exclude templated .kokoro/samples files

Co-authored-by: Anthonios Partheniou <[email protected]>

Co-authored-by: Anthonios Partheniou <[email protected]>

* fix: Fix socket  in impersonated_credentials

impersonated_credentials.Credentials.sign_bytes() created
a session that wasn't closed ing a socket. This fixes
the issue by always closing the requests session after
a signing request is complete.

Fixes #1122

…1124)

* chore(python): exclude `grpcio==1.49.0rc1` in tests

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* use templated renovate.json

* 🦉 Updates from OwlBot post-processor

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

* 🦉 Updates from OwlBot post-processor

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

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply..com>
Co-authored-by: Anthonios Partheniou <[email protected]>

* refactor: Add **kwargs to parent constructor for Async API

This resolves #1061.
By passing in **kwargs to the parent constructor, `aiohhttp.ClientSession` parameters can be configured by users.

…st creds (#1133)

* chore: Remove code owner notification spam by filtering out system_test creds.

…#1132)

* fix: Skip oauth2client adapter tests if oauth2client is not installed.

This resolves #1118.

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Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:993a058718e84a82fda04c3177e58f0a43281a996c7c395e0a56ccc4d6d210d7

* fix: Update token refresh threshold from 20 seconds to 5 minutes

* update rt

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