chore(deps): bump the python group across 1 directory with 7 updates

Bumps the python group with 7 updates in the /tests directory:

| Package | From | To |
| --- | --- | --- |
| [google-auth](https://github.com/googleapis/google-auth-library-python) | `2.40.2` | `2.40.3` |
| [greenlet](https://github.com/python-greenlet/greenlet) | `3.2.2` | `3.2.3` |
| [grpcio](https://github.com/grpc/grpc) | `1.68.1` | `1.72.1` |
| [grpcio-tools](https://github.com/grpc/grpc) | `1.68.1` | `1.72.1` |
| [protobuf](https://github.com/protocolbuffers/protobuf) | `6.30.2` | `6.31.1` |
| [pytest](https://github.com/pytest-dev/pytest) | `8.3.5` | `8.4.0` |
| [requests](https://github.com/psf/requests) | `2.32.3` | `2.32.4` |



Updates `google-auth` from 2.40.2 to 2.40.3
- [Release notes](https://github.com/googleapis/google-auth-library-python/releases)
- [Changelog](https://github.com/googleapis/google-auth-library-python/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-auth-library-python@v2.40.2...v2.40.3)

Updates `greenlet` from 3.2.2 to 3.2.3
- [Changelog](https://github.com/python-greenlet/greenlet/blob/master/CHANGES.rst)
- [Commits](python-greenlet/greenlet@3.2.2...3.2.3)

Updates `grpcio` from 1.68.1 to 1.72.1
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.68.1...v1.72.1)

Updates `grpcio-tools` from 1.68.1 to 1.72.1
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.68.1...v1.72.1)

Updates `protobuf` from 6.30.2 to 6.31.1
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v6.30.2...v6.31.1)

Updates `pytest` from 8.3.5 to 8.4.0
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.5...8.4.0)

Updates `requests` from 2.32.3 to 2.32.4
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.32.3...v2.32.4)

---
updated-dependencies:
- dependency-name: google-auth
  dependency-version: 2.40.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
- dependency-name: greenlet
  dependency-version: 3.2.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
- dependency-name: grpcio
  dependency-version: 1.72.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
- dependency-name: grpcio-tools
  dependency-version: 1.72.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
- dependency-name: protobuf
  dependency-version: 6.31.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
- dependency-name: pytest
  dependency-version: 8.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]