Bump idna from 2.9 to 3.7 in /scripts

Bumps [idna](https://github.com/kjd/idna) from 2.9 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v2.9...v3.7)

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

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

scripts/requirements.txt

@@ -1,6 +1,6 @@
 certifi==2020.4.5.1
 chardet==3.0.4
-idna==2.9
+idna==3.7
 JayDeBeApi==1.2.2
 JPype1==0.7.5
 requests==2.23.0