chore(deps): bump the poetry group with 7 updates

Bumps the poetry group with 7 updates:

| Package | From | To |
| --- | --- | --- |
| [openai](https://github.com/openai/openai-python) | `1.56.2` | `1.57.0` |
| [litellm](https://github.com/BerriAI/litellm) | `1.53.5` | `1.53.7` |
| cohere | `5.13.2` | `5.13.3` |
| [google-cloud-aiplatform](https://github.com/googleapis/python-aiplatform) | `1.73.0` | `1.74.0` |
| [cerebras-cloud-sdk](https://github.com/Cerebras/cerebras-cloud-sdk-python) | `1.12.2` | `1.13.1` |
| [pyright](https://github.com/RobertCraigie/pyright-python) | `1.1.389` | `1.1.390` |
| [ruff](https://github.com/astral-sh/ruff) | `0.8.1` | `0.8.2` |


Updates `openai` from 1.56.2 to 1.57.0
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v1.56.2...v1.57.0)

Updates `litellm` from 1.53.5 to 1.53.7
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](BerriAI/litellm@v1.53.5...v1.53.7)

Updates `cohere` from 5.13.2 to 5.13.3

Updates `google-cloud-aiplatform` from 1.73.0 to 1.74.0
- [Release notes](https://github.com/googleapis/python-aiplatform/releases)
- [Changelog](https://github.com/googleapis/python-aiplatform/blob/main/CHANGELOG.md)
- [Commits](googleapis/python-aiplatform@v1.73.0...v1.74.0)

Updates `cerebras-cloud-sdk` from 1.12.2 to 1.13.1
- [Changelog](https://github.com/Cerebras/cerebras-cloud-sdk-python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Cerebras/cerebras-cloud-sdk-python/commits)

Updates `pyright` from 1.1.389 to 1.1.390
- [Release notes](https://github.com/RobertCraigie/pyright-python/releases)
- [Commits](RobertCraigie/pyright-python@v1.1.389...v1.1.390)

Updates `ruff` from 0.8.1 to 0.8.2
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.8.1...0.8.2)

---
updated-dependencies:
- dependency-name: openai
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: poetry
- dependency-name: litellm
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: poetry
- dependency-name: cohere
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: poetry
- dependency-name: google-cloud-aiplatform
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: poetry
- dependency-name: cerebras-cloud-sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: poetry
- dependency-name: pyright
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: poetry
- dependency-name: ruff
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: poetry
...

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