Bump slack-sdk from 3.33.4 to 3.33.5 (#1292)

Bumps [slack-sdk](https://github.com/slackapi/python-slack-sdk) from 3.33.4 to 3.33.5.
- [Release notes](https://github.com/slackapi/python-slack-sdk/releases)
- [Commits](slackapi/python-slack-sdk@v3.33.4...v3.33.5)

---
updated-dependencies:
- dependency-name: slack-sdk
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

demos/moderator_bot/requirements-dev.txt

@@ -18,7 +18,7 @@ pyyaml==6.0.2
 scikit-learn==1.5.2
 scipy==1.14.1
 six==1.16.0
-slack_sdk==3.33.4
+slack_sdk==3.33.5
 urllib3==2.2.3
 yarl==1.18.3
 zipp==3.21.0