chore(deps): bump aiobotocore[boto3] in /examples/chatbots/python

Bumps [aiobotocore[boto3]](https://github.com/aio-libs/aiobotocore) from 2.21.1 to 2.22.0.
- [Release notes](https://github.com/aio-libs/aiobotocore/releases)
- [Changelog](https://github.com/aio-libs/aiobotocore/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiobotocore@2.21.1...2.22.0)

---
updated-dependencies:
- dependency-name: aiobotocore[boto3]
  dependency-version: 2.22.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

examples/chatbots/python/requirements.txt

@@ -1,4 +1,4 @@
-aiobotocore[boto3]==2.21.1
+aiobotocore[boto3]==2.22.0
 mcp==1.6.0
 uvicorn==0.34.2