Bump the dev-dependencies group across 1 directory with 3 updates

Bumps the dev-dependencies group with 3 updates in the / directory: [google-api-python-client](https://github.com/googleapis/google-api-python-client), [google-auth-oauthlib](https://github.com/googleapis/google-cloud-python) and [isort](https://github.com/PyCQA/isort).


Updates `google-api-python-client` from 2.189.0 to 2.191.0
- [Release notes](https://github.com/googleapis/google-api-python-client/releases)
- [Commits](googleapis/google-api-python-client@v2.189.0...v2.191.0)

Updates `google-auth-oauthlib` from 1.2.4 to 1.3.0
- [Release notes](https://github.com/googleapis/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/main/packages/google-cloud-documentai/CHANGELOG.md)
- [Commits](googleapis/google-cloud-python@google-auth-oauthlib-v1.2.4...google-auth-oauthlib-v1.3.0)

Updates `isort` from 7.0.0 to 8.0.1
- [Release notes](https://github.com/PyCQA/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@7.0.0...8.0.1)

---
updated-dependencies:
- dependency-name: google-api-python-client
  dependency-version: 2.191.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: google-auth-oauthlib
  dependency-version: 1.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: isort
  dependency-version: 8.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

poetry.lock

@@ -12,12 +12,12 @@ configparser = "^7.2.0"
 argparse = "^1.4.0"
 pdf2image = "^1.17.0"
 google-cloud-vision = "^3.12.1"
-google-api-python-client = "^2.189.0"
-google-auth-oauthlib = "^1.2.4"
+google-api-python-client = "^2.191.0"
+google-auth-oauthlib = "^1.3.0"
 
 [tool.poetry.dev-dependencies]
 black = "^26.1.0"
-isort = "^7.0"
+isort = "^8.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]