Bumps [idna](https://github.com/kjd/idna) from 3.3 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](https://github.com/kjd/idna/compare/v3.3...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: indirect
...
Signed-off-by: dependabot[bot] <support@github.com>