build(deps): bump idna from 3.18 to 3.19

Bumps [idna](https://github.com/kjd/idna) from 3.18 to 3.19.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](kjd/idna@v3.18...v3.19)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.19'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -12,7 +12,7 @@ h11==0.16.0
 httpcore==1.0.9
 httptools==0.8.0
 httpx==0.28.1
-idna==3.18
+idna==3.19
 iniconfig==2.3.0
 Jinja2==3.1.6
 markdown-it-py==4.2.0