chore(deps): bump strands-agents in /examples/chatbots/python

Bumps [strands-agents](https://github.com/strands-agents/sdk-python) from 1.30.0 to 1.34.1.
- [Release notes](https://github.com/strands-agents/sdk-python/releases)
- [Commits](strands-agents/sdk-python@v1.30.0...v1.34.1)

---
updated-dependencies:
- dependency-name: strands-agents
  dependency-version: 1.34.1
  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 @@
-strands-agents==1.30.0
+strands-agents==1.35.0
 mcp==1.26.0
 uvicorn==0.42.0
 boto3==1.42.86