Bump fastmcp in /ai/gen-ai-agents/custom-rag-agent/files

Bumps [fastmcp](https://github.com/PrefectHQ/fastmcp) from 2.14.0 to 3.2.0.
- [Release notes](https://github.com/PrefectHQ/fastmcp/releases)
- [Changelog](https://github.com/PrefectHQ/fastmcp/blob/main/docs/changelog.mdx)
- [Commits](PrefectHQ/fastmcp@v2.14.0...v3.2.0)

---
updated-dependencies:
- dependency-name: fastmcp
  dependency-version: 3.2.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

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

@@ -43,7 +43,7 @@ executing==2.2.0
 faiss-cpu==1.11.0.post1
 fastapi==0.115.14
 fastjsonschema==2.21.1
-fastmcp==2.14.0
+fastmcp==3.2.0
 filetype==1.2.0
 flatbuffers==25.2.10
 fonttools==4.61.0