build(deps): bump idna from 2.8 to 3.7

Bumps [idna](https://github.com/kjd/idna) from 2.8 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v2.8...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: indirect
...

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

requirements.txt

@@ -14,7 +14,7 @@ charset-normalizer==3.1.0
     # via requests
 click==8.1.6
     # via -r requirements.in
-idna==2.8
+idna==3.7
     # via requests
 jsonref==1.0.0.post1
     # via -r requirements.in

requirements_dev.txt

@@ -46,7 +46,7 @@ flake8==3.9.1
     # via -r requirements_dev.in
 identify==2.2.4
     # via pre-commit
-idna==2.8
+idna==3.7
     # via
     #   -r requirements.txt
     #   requests