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) | `2.56.2` | `2.57.0` |
| [google-api-python-client](https://github.com/googleapis/google-api-python-client) | `2.198.0` | `2.199.0` |
| [icalendar](https://github.com/collective/icalendar) | `7.2.2` | `7.3.0` |
| [mypy](https://github.com/python/mypy) | `2.3.0` | `2.3.1` |
| [types-python-dateutil](https://github.com/python/typeshed) | `2.9.0.20260716` | `2.9.0.20260807` |
| [types-pyyaml](https://github.com/python/typeshed) | `6.0.12.20260724` | `6.0.12.20260815` |
| [lxml](https://github.com/lxml/lxml) | `6.1.1` | `6.1.2` |


Updates `google-auth` from 2.56.2 to 2.57.0
- [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](https://github.com/googleapis/google-cloud-python/compare/google-auth-v2.56.2...google-auth-v2.57.0)

Updates `google-api-python-client` from 2.198.0 to 2.199.0
- [Release notes](https://github.com/googleapis/google-api-python-client/releases)
- [Commits](https://github.com/googleapis/google-api-python-client/compare/v2.198.0...v2.199.0)

Updates `icalendar` from 7.2.2 to 7.3.0
- [Release notes](https://github.com/collective/icalendar/releases)
- [Changelog](https://github.com/collective/icalendar/blob/main/CHANGES.rst)
- [Commits](https://github.com/collective/icalendar/compare/v7.2.2...v7.3.0)

Updates `mypy` from 2.3.0 to 2.3.1
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](https://github.com/python/mypy/compare/v2.3.0...v2.3.1)

Updates `types-python-dateutil` from 2.9.0.20260716 to 2.9.0.20260807
- [Commits](https://github.com/python/typeshed/commits)

Updates `types-pyyaml` from 6.0.12.20260724 to 6.0.12.20260815
- [Commits](https://github.com/python/typeshed/commits)

Updates `lxml` from 6.1.1 to 6.1.2
- [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-6.1.1...lxml-6.1.2)

---
updated-dependencies:
- dependency-name: google-auth
  dependency-version: 2.57.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: google-api-python-client
  dependency-version: 2.199.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: icalendar
  dependency-version: 7.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pypi-updates
- dependency-name: mypy
  dependency-version: 2.3.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pypi-updates
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20260807
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pypi-updates
- dependency-name: types-pyyaml
  dependency-version: 6.0.12.20260815
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pypi-updates
- dependency-name: lxml
  dependency-version: 6.1.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pypi-updates
...

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

pyproject.toml

@@ -19,9 +19,9 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.11"
-google-auth = "2.56.2"
-google-api-python-client = "2.198.0"
-icalendar = "7.2.2"
+google-auth = "2.57.0"
+google-api-python-client = "2.199.0"
+icalendar = "7.3.0"
 pytz = "2026.3.post1"
 PyYAML = "6.0.3"
 fire = "0.7.1"