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-version: '3.7'
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -8,7 +8,7 @@ Flask-Admin==1.6.1
 Flask-Login==0.6.3
 Flask-SQLAlchemy==3.1.1
 httplib2==0.22.0
-idna==3.6
+idna==3.7
 itsdangerous==2.1.2
 Jinja2==3.1.6
 MarkupSafe==2.1.5