:seedling: Bump idna from 3.17 to 3.18 (#2769)

Bumps [idna](https://github.com/kjd/idna) from 3.17 to 3.18.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](https://github.com/kjd/idna/compare/v3.17...v3.18)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.18'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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