build(deps): bump openai from 3.29.0 to 3.31.0

Bumps [openai](https://github.com/openai/openai-python) from 3.29.0 to 3.31.0.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v3.29.0...v3.31.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 3.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -6,7 +6,7 @@ dependencies = [
     "slack-sdk==3.45.0",
     "slack-bolt==1.30.0",
     "slack-cli-hooks<1.0.0",
-    "openai==3.29.0",
+    "openai==3.31.0",
     "python-dotenv==1.2.4",
 ]
 

requirements.txt

@@ -3,7 +3,7 @@ slack-bolt==1.30.0
 slack-cli-hooks<1.0.0
 
 # If you use a different LLM vendor, replace this dependency
-openai==3.29.0
+openai==3.31.0
 
 pytest==9.1.1
 ruff==0.17.0