Bump idna from 3.6 to 3.7

Bumps [idna](https://github.com/kjd/idna) from 3.6 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.6...v3.7)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -5,7 +5,7 @@ charset-normalizer==3.3.2
 click==8.1.7
 colorama==0.4.6
 ghp-import==2.1.0
-idna==3.6
+idna==3.7
 Jinja2==3.1.3
 Markdown==3.5.2
 MarkupSafe==2.1.5