Bump h11 from 0.14.0 to 0.16.0 in /ai/gen-ai-agents/custom-rag-agent

Bumps [h11](https://github.com/python-hyper/h11) from 0.14.0 to 0.16.0.
- [Commits](python-hyper/h11@v0.14.0...v0.16.0)

---
updated-dependencies:
- dependency-name: h11
  dependency-version: 0.16.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

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

@@ -51,7 +51,7 @@ fqdn==1.5.1
 frozenlist==1.5.0
 gitdb==4.0.12
 GitPython==3.1.44
-h11==0.14.0
+h11==0.16.0
 html5lib==1.1
 httpcore==1.0.7
 httpx==0.28.1