chore(deps): update dependency google-auth-oauthlib to v0.5.3 (#8321)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-auth-oauthlib](https://github.com/GoogleCloudPlatform/google-auth-library-python-oauthlib) | `==0.5.2` -> `==0.5.3` | [![age](https://badges.renovateapi.com/packages/pypi/google-auth-oauthlib/0.5.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-auth-oauthlib/0.5.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-auth-oauthlib/0.5.3/compatibility-slim/0.5.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-auth-oauthlib/0.5.3/confidence-slim/0.5.2)](https://docs.renovatebot.com/merge-confidence/) |

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### ⚠ Dependency Lookup Warnings ⚠

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### Release Notes

<details>
<summary>GoogleCloudPlatform/google-auth-library-python-oauthlib</summary>

### [`v0.5.3`](https://github.com/GoogleCloudPlatform/google-auth-library-python-oauthlib/blob/HEAD/CHANGELOG.md#&#8203;053-httpsgithubcomgoogleapisgoogle-auth-library-python-oauthlibcomparev052v053-2022-09-02)

[Compare Source](https://github.com/GoogleCloudPlatform/google-auth-library-python-oauthlib/compare/v0.5.2...v0.5.3)

##### Bug Fixes

-   Pass port range from `get_user_credentials` to `find_open_port` ([#&#8203;212](https://github.com/googleapis/google-auth-library-python-oauthlib/issues/212)) ([479330a](https://github.com/googleapis/google-auth-library-python-oauthlib/commit/479330a49a28e4f7443982ba235d2adee3e49d58))

</details>

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Author: renovate-bot

auth/end-user/web/requirements.txt

@@ -1,5 +1,5 @@
 google-auth==2.6.2
-google-auth-oauthlib==0.5.2
+google-auth-oauthlib==0.5.3
 google-auth-httplib2==0.1.0
 google-api-python-client==2.47.0
 flask==2.1.0

endpoints/getting-started/requirements.txt

@@ -5,4 +5,4 @@ six==1.16.0
 pyyaml==6.0
 requests==2.27.1
 google-auth==2.6.2
-google-auth-oauthlib==0.5.2
+google-auth-oauthlib==0.5.3