🌱 Bump idna from 3.4 to 3.6 (#619)

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.6.
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.4...v3.6)

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

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

docs/requirements.txt

@@ -6,7 +6,7 @@ click==8.1.7
 colorama==0.4.6
 cssselect==1.2.0
 ghp-import==2.1.0
-idna==3.4
+idna==3.6
 Jinja2==3.1.3
 lxml==5.1.0
 Markdown==3.5.2