Bump idna from 2.10 to 3.7

Bumps [idna](https://github.com/kjd/idna) from 2.10 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v2.10...v3.7)

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

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

requirements.txt

@@ -6,7 +6,7 @@ certifi==2023.7.22
 cffi==1.14.5
 chardet==4.0.0
 discord.py==2.0.1
-idna==2.10
+idna==3.7
 idna-ssl==1.1.0
 multidict==5.1.0
 numpy==1.22.0