pip: (deps): bump idna from 3.15 to 3.16

Bumps [idna](https://github.com/kjd/idna) from 3.15 to 3.16.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](kjd/idna@v3.15...v3.16)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.16'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-prod.txt

@@ -31,7 +31,7 @@ grimp==3.14
 gunicorn==25.3.0
 html5lib==1.1
 identify==2.6.19
-idna==3.15
+idna==3.16
 importlib-metadata==9.0.0
 inflection==0.5.1
 iniconfig==2.3.0