build(deps): bump idna from 3.10 to 3.15

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](kjd/idna@v3.10...v3.15)

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

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

Author: dependabot[bot]

requirements.txt

@@ -29,7 +29,7 @@ django-environ==0.12.0
     # via -r requirements.in
 elasticsearch==7.17.12
     # via -r requirements.in
-idna==3.11
+idna==3.15
     # via requests
 ijson==2.5.1
     # via -r requirements.in

requirements_dev.txt

@@ -54,7 +54,7 @@ flake8==7.2.0
     # via -r requirements_dev.in
 h11==0.14.0
     # via wsproto
-idna==3.10
+idna==3.15
     # via
     #   requests
     #   trio