Bump tornado from 6.4.2 to 6.5 in /ai/gen-ai-agents/custom-rag-agent

Bumps [tornado](https://github.com/tornadoweb/tornado) from 6.4.2 to 6.5.
- [Changelog](https://github.com/tornadoweb/tornado/blob/master/docs/releases.rst)
- [Commits](tornadoweb/tornado@v6.4.2...v6.5.0)

---
updated-dependencies:
- dependency-name: tornado
  dependency-version: '6.5'
  dependency-type: direct:production
...

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

Author: dependabot[bot]

ai/gen-ai-agents/custom-rag-agent/requirements.txt

@@ -202,7 +202,7 @@ tinycss2==1.4.0
 tokenize_rt==6.1.0
 toml==0.10.2
 tomlkit==0.13.2
-tornado==6.4.2
+tornado==6.5
 tqdm==4.67.1
 traitlets==5.14.3
 txt2tags==3.9