🤖 I have created a release *beep* *boop*
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### Updating meta-information for bleeding-edge SNAPSHOT release.

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This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

* fix: ownership path
* fix: add aion sdk as owners for README

Co-authored-by: Leo <[email protected]>

#1188)

* feat: expose method to manually obtain ADC from gcloud CLI well-known file

* chore: expose well-known file instead of credentials

* 🦉 Updates from OwlBot post-processor

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

* chore: expose path to well-known creds file only

* chore: better test name

* 🦉 Updates from OwlBot post-processor

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

* 🦉 Updates from OwlBot post-processor

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

* chore: revert changes in favor of util class

* chore: move gcloud CLI path logic to new utils class

* chore: add GoogleAuthUtils test

* chore: use default instance of DCP

* chore: revert initial changes of utils class

* chore: restore static modifier

* chore: use test-friendly method signatures of auth utils

* chore: fix utils test to compute path assuming env not set

* chore: correct comments for the auth util class

* chore: license header for utils test

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

#1200)

Adds readme section for workforce external account authorized user credentials

* fix: update with latest text
* fix: update error texts

* fix: add retryable for GCE credential in case of 503
* fix: add tests for 503 retryable
* fix: update user credential tests

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>