Bump idna from 3.7 to 3.8

Bumps [idna](https://github.com/kjd/idna) from 3.7 to 3.8.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.7...v3.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -38,7 +38,7 @@ grpcio-tools==1.64.1
     # via supa (setup.cfg)
 htmlgen==2.0.0
     # via supa (setup.cfg)
-idna==3.7
+idna==3.8
     # via requests
 inflect==7.3.1
     # via jaraco-text