Bump the pypi-updates group with 7 updates

Bumps the pypi-updates group with 7 updates:

| Package | From | To |
| --- | --- | --- |
| [google-auth](https://github.com/googleapis/google-cloud-python) | `2.57.0` | `2.58.1` |
| [google-api-python-client](https://github.com/googleapis/google-api-python-client) | `2.199.0` | `2.200.0` |
| [pytz](https://github.com/stub42/pytz) | `2026.3.post1` | `2026.4` |
| [flake8](https://github.com/pycqa/flake8) | `7.3.0` | `7.4.1` |
| [types-pytz](https://github.com/python/typeshed) | `2026.3.1.20260727` | `2026.4.0.20260926` |
| [types-pyyaml](https://github.com/python/typeshed) | `6.0.12.20260815` | `6.0.12.20260906` |
| [lxml](https://github.com/lxml/lxml) | `6.1.2` | `6.1.3` |


Updates `google-auth` from 2.57.0 to 2.58.1
- [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](https://github.com/googleapis/google-cloud-python/compare/google-auth-v2.57.0...google-auth-v2.58.1)

Updates `google-api-python-client` from 2.199.0 to 2.200.0
- [Release notes](https://github.com/googleapis/google-api-python-client/releases)
- [Commits](https://github.com/googleapis/google-api-python-client/compare/v2.199.0...v2.200.0)

Updates `pytz` from 2026.3.post1 to 2026.4
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](https://github.com/stub42/pytz/compare/release_2026.3.post1...release_2026.4)

Updates `flake8` from 7.3.0 to 7.4.1
- [Commits](https://github.com/pycqa/flake8/compare/7.3.0...7.4.1)

Updates `types-pytz` from 2026.3.1.20260727 to 2026.4.0.20260926
- [Commits](https://github.com/python/typeshed/commits)

Updates `types-pyyaml` from 6.0.12.20260815 to 6.0.12.20260906
- [Commits](https://github.com/python/typeshed/commits)

Updates `lxml` from 6.1.2 to 6.1.3
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](https://github.com/lxml/lxml/compare/lxml-6.1.2...lxml-6.1.3)

---
updated-dependencies:
- dependency-name: google-auth
  dependency-version: 2.58.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: google-api-python-client
  dependency-version: 2.200.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: pytz
  dependency-version: '2026.4'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: flake8
  dependency-version: 7.4.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: types-pytz
  dependency-version: 2026.4.0.20260926
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: types-pyyaml
  dependency-version: 6.0.12.20260906
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pypi-updates
- dependency-name: lxml
  dependency-version: 6.1.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pypi-updates
...

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

pyproject.toml

@@ -19,10 +19,10 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.11"
-google-auth = "2.57.0"
-google-api-python-client = "2.199.0"
+google-auth = "2.58.1"
+google-api-python-client = "2.200.0"
 icalendar = "7.3.0"
-pytz = "2026.3.post1"
+pytz = "2026.4"
 PyYAML = "6.0.3"
 fire = "0.7.1"