Bump idna from 3.4 to 3.6

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>

requirements.txt

@@ -6,7 +6,7 @@ Flask==2.3.3
 Flask-APScheduler==1.13.1
 Flask-Caching==2.1.0
 Flask-WTF==1.2.1
-idna==3.4
+idna==3.6
 itsdangerous==2.1.2
 Jinja2==3.1.2
 MarkupSafe==2.1.3