chore(deps): bump idna (#4518)

Bumps [idna](https://github.com/kjd/idna) from 3.10 to 3.15.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](https://github.com/kjd/idna/compare/v3.10...v3.15)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.15'
  dependency-type: direct:production
...

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community-content/vertex-distributed-training/a3mega/llama-3-8b-nemo-pretraining/requirements.txt

@@ -24,7 +24,7 @@ grpcio-status==1.71.0
 h11==0.16.0
 httpcore==1.0.9
 httpx==0.28.1
-idna==3.10
+idna==3.15
 mypy_extensions==1.1.0
 numpy==2.2.5
 packaging==25.0