build(deps): bump slack-sdk in /ai/slackbot-mcp-client/no-auth

Bumps [slack-sdk](https://github.com/slackapi/python-slack-sdk) from 3.44.0 to 3.44.1.
- [Release notes](https://github.com/slackapi/python-slack-sdk/releases)
- [Commits](slackapi/python-slack-sdk@v3.44.0...v3.44.1)

---
updated-dependencies:
- dependency-name: slack-sdk
  dependency-version: 3.44.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

ai/slackbot-mcp-client/no-auth/requirements.txt

@@ -5,6 +5,6 @@ pytest==9.1.1
 ruff==0.16.4
 slack_bolt==1.30.0
 slack_cli_hooks==0.3.0
-slack_sdk==3.44.0
+slack_sdk==3.44.1
 starlette==1.6.0
 uvicorn==0.52.4