chore(deps): bump the python group in /tests with 4 updates (#6698)

Bumps the python group in /tests with 4 updates: [cryptography](https://github.com/pyca/cryptography), [grpcio](https://github.com/grpc/grpc), [grpcio-tools](https://github.com/grpc/grpc) and [markupsafe](https://github.com/pallets/markupsafe).


Updates `cryptography` from 43.0.1 to 43.0.3
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@43.0.1...43.0.3)

Updates `grpcio` from 1.66.2 to 1.67.0
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.66.2...v1.67.0)

Updates `grpcio-tools` from 1.66.2 to 1.67.0
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.66.2...v1.67.0)

Updates `markupsafe` from 3.0.1 to 3.0.2
- [Release notes](https://github.com/pallets/markupsafe/releases)
- [Changelog](https://github.com/pallets/markupsafe/blob/main/CHANGES.rst)
- [Commits](pallets/markupsafe@3.0.1...3.0.2)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
- dependency-name: grpcio
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
- dependency-name: grpcio-tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
- dependency-name: markupsafe
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>