Bump idna from 3.4 to 3.15

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.15.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](kjd/idna@v3.4...v3.15)

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

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

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ click==8.1.7
 cryptography==41.0.4
 fastapi==0.104.0
 h11==0.14.0
-idna==3.4
+idna==3.15
 pycparser==2.21
 pydantic==2.4.2
 pydantic-core==2.10.1