Bump idna from 3.4 to 3.7 (#156)

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.4...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements_dev.txt

@@ -81,7 +81,7 @@ griffe==0.38.0
     # via mkdocstrings-python
 hyperlink==21.0.0
     # via twisted
-idna==3.4
+idna==3.7
     # via
     #   hyperlink
     #   requests